A variation on a blowback where someone goes down on their hunkers and hyperventilates, and then stands up quickly, inhaling as someone else blows marijuana smoke into their mouth.
"Man, I did a wallclimber last night and passed out cold, collapsed onto a chair and smashed it to pieces."
by diabollix August 25, 2011
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"Why are there so many wallclimbers in texas now?"
by May 29, 2022
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