Violater: Wow. this actually got me arroused

IncestWincest: Geez that thing is huge.

Shine: I'm not even sure what's going on in this thing. Looks like a human in a suit but the dick is so absurd it could be monster on monster.

ThatgirlColdbluu91: i don't even have a word for that dick, holy hell

Anonymous¹: That has to be his mutated leg.. its thicker than his torso

Moozy: Sangheili infused hormones.

Morfin123: Synthetic cock-sleeve glued using non-permannet glue and transmiting every single sensation like normal cock, made to facilitate and make more pleasurable mating between female Sangheili and Spartan Human (or post-Human, if you will).
Made circa 100-200 years after peace between them, after both civilization became tightly connected and truly inseparable...