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Fucknel is the equivelent of shitballs, it basically is an expression somebody says when they are very scared, very excited, or very angry.
Person 1: *jumps out in front of person 2"
Person 2: Holy Fucknel! oh woah its just you

Person: Oh Fucknel who released my pokemon!

Son: Dad I got into harvard!
Dad: Thats fuckneling great
by mjustasec April 25, 2010
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