My top 2 perversions:
1) Ass, ass and nothing but ass! Everyone loves boobs but when the gal has a tight ass, and you grab that ass as you bang her, especially in doggie and reverse cowgal position, damn! And those sounds as you bang a tight ass, sweet music!
2) Blowjobs,the more saliva the better! Those done in JAV videos are fantastic, especially if its CIM, then the gal opens the mouth to cum, and then swallows it
Also, there is banging the hot MILF teacher
and public sex (FKK!)