Dictionary.net

/boynk/ [Usenet: variously ascribed to the TV series"Cheers" "Moonlighting", and "Soap"] 1. To have sex with;compare bounce. (This is mainstream slang.) In Commonwealthhackish the variant "bonk" is more common.2. After the original Peter Korn "Boinkon" Usenet parties,used for almost any net social gathering, e.g. Miniboink, asmall boink held by Nancy Gillett in 1988; Minniboink, aBoinkcon in Minnesota in 1989; Humpdayboinks, Wednesdayget-togethers held in the San Francisco Bay Area.Compare @-party.3. Variant of "bonk"; see bonk/oif.