knock somebody off:

To fellate until ejaculation . Not to be confused with knock-up , to make pregnant . See fellatio for synonyms.
See Also: backhand drive, be your own best friend, camp it off, deformity fetishism, eat with the hands, feel up, having sex with someone you love, jump off/out at..., knock one on, off, on, read the beads, sex with someone you love, wack off, WOOPIE

Link to this page:

Word Browser