Fluck

Fluck is a verb, describing a *bad* situation, usually in front of children since you don't want to swear in front of them.

It can be used like Fuck.

John: WE'RE ABOUT TO FLUCKING BURN ALIVE IN THIS FLUCKED UP BUILDING, DUDE WHAT DO WE DO??

Boston: Nothing. *Boston sips his coffee* We're not in a Flucked up situation. This is fine.