avoiding the real word fuck, as to not get in trouble.
beating around the bush with a swear word.
Jonah : puck you sir.
Principal : What was that Jonah.?
Jonah : i said puck you sir.
Principal : well Jonah you just broke your promise and now you have to go to the office.
Jonah: but sir i said puck you, not fuck you.. You homo.