[Admittedly, Gamzee's experience with underwear for boys is either boxer shorts or y-fronts - most everything else looks like ladies stuff to him.

But yeah, that smile says he definitely likes, along with the flush in his cheeks. Gamzee doesn't have a lot of real life experience with this kind of thing, either, which makes it all pretty exciting in general, and he bites into his lower lip as he eyes Maxim's ass extensively.]