A willy licker is a term used to degrade someone usually a man, insisting he is gay and likes penises.
Dave:- that girl is soooo hot!
John:- what the fuck would you know, you willy licker!
Dave:- you twat.
John:- what the fuck would you know, you willy licker!
Dave:- you twat.
by Craigos Popoudopoulos November 03, 2013