Noun: A person who messes up a lot. Considered a failure in a skill or subject.

Verb: To mess up or fail.
"Oh my gosh, Kathy. You are such a garbinkle, you can't even get the pattern right!"

"I garbinkled so bad on my test, not even an exta credit assignment worth 20 point will get me an 'A'"
by KhDi October 18, 2011
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