cumsock noun2 •(vulgar, offensive) A term of abuse.So listen up, cumsocks. George Lucas DOESN'T have the tools to be a good filmmaker, much like you're a two dollar Ho, who can't make change for a five. Now go get scurvy from your Ma and die. — 2002 •(vulgar) Synonym of wank sock.why don't you tell your roomates^([sic]) to stop leavin cumsocks all over the house? — 1997 formscumsocks