A castonguay is a girl that can not get you off sexually.
I was with this castonguay last night and she couldn't get me off so i ended up jacking myself off.

Na man I can't get with her, I herd she is a castonguay.
by ThuggyC-Reddog March 31, 2011
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A loser who hates on mrbossftw's channel and harasses his fans because he has no life he also makes fake accounts of people because he's pathetic
have you heard of TERRENCE CASTONGUAY?
you mean the no life troll who makes fake accounts of people?
by THATBOI#88 November 1, 2020
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