I'd say a Yautja, male or female. I don't discriminate against xenomorphs because they're less humanoid, I'd just be less comfortable since it's unclear to what extent they're sentient. I don't hunt, and have sworn never to kill in any capacity, but I nonetheless respect the culture of the Yautja, their sense of honour in particular. I probably wouldn't be very worried either, as I'd make for terrible, unsatisfying prey, never violent and always unarmed. At the same time, their strength and ferocity wouldn't be too much concern; though gentle, I'm surprisingly durable.

Honestly, I would have to go Xenomorph just because of that inner mouth; it's way too good to imagine getting a deepthroat with that thing, besides that if you put a little more meat on their bones then I would like them a hell of a lot more, kinda like this art.
rule34.xxx/index.php?page=post&s=view&id=3054390 (I would have gone for one that's non-furry but there isn't a whole lot of art like this for xenomorphs so I can't exactly be a chooser.)

Honestly I'd take either, preferably both at once~ But if I can only choose one, I'd have to go with the Xenomorph~ Predator is hot, and he's got a big dick, and is definitely big enough to make anyone his bitch, but so does the Xeno. More importantly, Predator is sentient, doesn't want to hurt you too much, even if you don't want it. The Xenomorph though is just a feral breeding beast, doesn't care about your comfort or anything, just stuffing as much cum inside you as possible, so you would get it rougher than anything you could ever get~ Plus, Predator usually moves solo, Xenos live in nests. You might get used by a Predator, and then chained up for a while until he's ready again, Xenomorphs have the numbers so that there's always another cock ready to to, and that's if they even need breaks. Xenomorphs seem like the kind of alien that wouldn't ever need to stop fuckin, just breeder energy.

Hoo, long ass post.

Edit: Another reason I'd go with the Xenomorph is the resin they can produce to make nests, they could use it to restrain you and keep you against the wall in their nest, constantly getting bred~ And for the female one, I really can't decide. The female Xenomorph is pretty thicc, and if I'm fooling around with another girl, I want that, but fem Predator looks fit and strong, and being dominated by a much stronger girl, even if it's not that hard domination, just her being in charge, is a big fantasy. Plus they both would be heavenly at eating pussy, Predator has those appendages on the corners of her mouth, just imagining those wrapping around my hips and keeping me trapped while she devours my helpless pussy for hours, with no way to get her off, or latching on to a breast, once again no way to get away, and I'm getting my nipple sucked and breast groped at the same time, absolute heaven. But Xenomorphs have the equally iconic second mouth, and while it's not making it impossible to get any mercy, it can really dig inside and going right for the weak spots. Just imagining it right on my g-spot, licking, sucking, biting, and just torturing it, I would cum instantly~ Plus, perfect size to latch onto a nipple or clit and really abuse it~

TL;DR: Xenomorph for male, seems more vicious, undecided for female, both have great bodies and kinky mouths for great pussy-devouring

id get with the predalien as a female or both a female xenomorph or a female predator

I mean the female xenomorph linked in the original post has more meat on them than a "regular" xenomorph like this lady; rule34.xxx/index.php?page=post&s=view&id=2376080
Just saying, absolutely no bashing just to be clear :D

Really any chance to fuck or get fucked by any alien would be a godsend, but I'm going to have to go with Predator, just for the sheer strength, and the fact they actually think. Like, Predator is obviously strong as fuck, so while I wouldn't be resisting him, there's no way I could fight off the male. Plus the male Predator post, one of the comments says that the female Yautja go into lust-fueled rage when they orgasm, I really want to be on the receiving end of that. Like it starts as normal sex, she cums, gets angry horny, forces you down, and rides you cowgirl style until you pass out. Plus, like B_F_B mentioned, mouth claws. Get a blowjob and try to pull out, nope, you're grabbed, your dick isn't done until your balls are drained and then some. Getting a kiss, break it for just a second to get a breath, nope, your grabbed, your tongue and hers are going to keep wrestling while you cum again, you don't get breaks unless they want you to.

Both?

rule34.xxx/index.php?page=post&s=view&id=1110032

But if I had to pick one then the female xenomorph. Idk why but they seem sexier than the female predator.

Technically they are all hermaphroditic.

What does that mean?

Hermaphrodites have both sex organs

If they're both futas, then i would let them both fuck me. I'd let them share me with their friends

What the person above said.

WOW!!! What an interesting thought getting fucked by The Predator or The Alien - I think both would have an extremely scary aspect to them - You would think Predator loving the hunt and the kill would love to split open a human pussy as their trophy - Alien would have that animal beast effect - I guess it would depend if either of them was going to kill you as well as fuck you - Not much excitement in it if your going to end up dead - But if guaranteed you would live just fucked by a humugous cock well hell why not LOL

no. theyd both just kill you. Nobody wants to fuck you