In gay terminology - VANILLA - refers to just wanking and kissing basically. Maybe with a little TT (Tit play) and safe fucking or finger fucking.
Sleaze on the other hand refers to much unclean, unsafe sex like W/S (watersports) fuck piss (fucking with piss up your arse), FF (fist fucking), poppers, CBT (cock ball torture), Gob, BDSM, SM and other kink fun.
