1. A derogatory word used against your oppponent when playing Call of Duty, whether online or splitscreen. When playing splitscreen, the insult is followed by a punch to the arm.

2. A loser in general.
ex 1: Joe: "YOU KNIFED ME YOU FUCKING FUCLERNUGGET TAKE THIS YOU HOE!
Tom: "OW MY ARM!"

ex 2: Look at Jimmy, he's a total fuckernugget.
by DaCamster November 6, 2009
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Girl: "Hey cute dog! What's it's name?"
Boy: "Thanks! Her name is Fuckernugget!"

Girl: "Oh."
by paetynrector March 2, 2021
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