2 definitions by j0e2

one gifted with a huge cock of 9 or more inches
Chet is such a gorgeous wallbrainer.
by j0e2 November 22, 2007
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to be fucked by a huge cock of 9 or more inches, probably from the increased likelihood of your head hitting the wall
Sarah got wallbrained by Chat after the party last night.
by j0e2 November 22, 2007
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