EXAMPLES:
1) British
guy playing XBox- "ah you fackin American you shot me to bloody hell! Fack it's tea time gotta go chaps.
2) a
kid playing club
penguin -" fuck!!"
Moderator- "you have now been ban for 30 days"
Player 2- he shud have just types fack.
3) haven't you ever heard the eminem song FACK
4) Girl- OMG what the fack is up with you today Josh?
Josh- you mean fuck?
Girl- that's what I fackin said like seriousely!