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