fcn

probably the shortest abbreviation of the formal word 'fucking' or often used 'fucken'

duuuuuuuuuuuuuuuude! that is so fcn epic man :OOOO

by aichi337 February 23, 2017

FCN

F meaning Fuck, C meaning Cunt, N meaning Nigger

"the three most commonly used negative words consist of FUCK, CUNT, and WE DO NOT (pause) joke about the N word." i.e. FCN

by jim drowninmyeyes March 14, 2008