Escort slang.

A-level means Anal sex.
BBBJ means Bare Back Blow Job, no jimmy.
BBBF means Bare Back Butt Fuck.
CIF means Cum In Face.
CIM means Cum In Mouth.
COB means Cum On Body.
DFK means Deep Franch Kiss.
GFE means Girl Friend Experience.
Greek means anal sex.
MFS means Massage and Full Sex.
OWO means Oral WithOut (condom).
PSF means Porn Star Finish (CIF, CIM or COB...).
SWO means Sex WithOut (condom).
TLC means Tender Loving Care.

Source : Urban Dictionary.

La Ligue vous donne quelques clefs qui, bien entendu, ne serviront à rien pour la plus part d'entre vous mais qui pourront éviter à certains de graves déconvenues.

Un DFK, un Greek et un PSF pour le coquinou en bleu dans le fond.