To fuck in a way that is playful and shameless. One who "fiducks" could be shootin' the shit with others or simply humping someone's brains out. Fiduck is also typically used by psuedo Canadians to express disbelief, confusion, or malcontent as seen in the first example.
1. "Fiduckin' eh!"
2. "You are a fiducking tool!"
3. "I got fiducked last night"
4. "You are one messed up mother fiducker"
yeah... you can pretty much make up anything you fiduckin like...
A: Dude check out that totally creepin' fudduck over there.
B: It's so sketchy.. Is that even a duck..?
A: Not sure.. Now I'm afraid, uncertain, and doubtful!
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.