Top Definition
Someone who uses his weiner for a brain
How did that hammer work on the toilet? Brett you are such a goonchuck
by Sampson Barton December 30, 2007
1 more definition
someone who uses strange tools to complete a job.
I can't believe you thought a hammer was a good tool to fix a toilet. Brett, you are such a goonchuck.
by 731sampson December 06, 2007

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