(n.)One who you dislike enough to maliciously slap while engaging in
intercourse, yet like enough to engage in
intercourse with.
(v.) The act of slapping someone who your are engaged in
intercourse with, for doijng something incredibly stupid in bed.
You're having sex...*insert various sounds of
intercourse hear...he/she does something like biting, or inserting anything into somewhere it shouldn't be, and you
slap the shit out of them, only to continue
intercourse, then leave and never talk to them, that person, is a fuckslap(n.), what you did to them, is fuckslap(v.) them.