>>941014530
I don't think a good chunk of them are socially acceptable. Some I remember, all of it gay shit and in the realm of porn.
>father/son
>furry
>bestiality (I wanna get fucked by a Pokemon and a werewolf)
>plushies (living sexually active plushies that can get erections and ejaculate)
>robots (same as above)
>chubby men
>(kemo)(debu)shota
>being submissive
>size/age difference (mostly imagining myself as the tiny guy, but I wanna get face fucked by a cute little head humper)
>chubby pecs and nipple sucking
>oral
>getting fucked while fucking another person's ass (middle of a gay train)
All I can think of atm