cocksuck verb 1noun 1forms 3 verb1 •(slang, vulgar) To perform fellatio. noun1 •(vulgar, offensive) Clipping of cocksucker (“an annoying or objectionable person”).He turned and was about to say more but by then Velva was lunging at him, bawling, "Keep outta there, you cocksuck!" — 1994 formscocksucked · cocksucking · cocksucks
