no-cum chum Posted in N Best definition no-cum chum Pronoun, the female version of ‘butt buddies’, slang for homosexual men, in this case, women. Jennifer and Dorothy are ‘no-cum chums’. (lesbians) How satisfied are you with the definition? Looking for no-cum chum meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 59 times.