–adjective, gamefoof⋅er, gamefoof⋅ster Slang.
ridiculous; silly; wacky; nutty: a goofy video game playing style.

–noun, Slang.
a person who randomly shirks serious video gaming for fun and enjoyment; a video gamer with intense facial expression while playing, either to poke fun or to create a serious gaming mood
Sentence construction: "Stop acting so gamefoof! We need to finish this level!"
by Unbotchable November 23, 2009
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