A trenchleaper is a person who tries very hard in gym class for no obvious reason. They are called trenchleaping because they are always jumping and running around as if they were leaping over trenches.
"Dude, our gym class has so many tryhards."

"Fuck, not just tryhards, we got a bona fide trenchleaper."
"That shit cray, dude."
by Trenchleaper May 15, 2012
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