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A word used when one suddenly realizes that they did forgot something really important. Can also be used as a replacement for the "f" word.
Man: Did you say your final goodbyes to grandma in the hospital?
Other Man: Grandma's plug was pulled today?!
First man: Yeah...
The Man that spoke after the first Man did: Ahhhh fookernugget!!
by Chocolate Tundra September 15, 2010