someone can say this when they think somethings really good or plesurable...or reimnds them of sex.It can also just be another word for greatest thing ever. its an adjective
girl 1: wow this chocolate taste reall gud, here taste it.
girl 2: damn, yo, this chocolate is the sex!
girl 2: damn, yo, this chocolate is the sex!
by BrOoKlYn95 April 02, 2010