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The upwards-facing flat plane of the penile shaft, when in boner form.
"Is it annoying when my shnoz rubs against your backboard during fellatio?"

"My balls look fine, but I think you bruised my backboard."
by gartacus February 04, 2012
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Apr 14 Word of the Day
That moment when you think a bug is crawling on you, and it turns out to be true. LMD

A FML moment. LMD

Pretty much you go, JUST LET ME DIE!

Wish this never happened. LMD
by misspinkyperfectionnnll July 09, 2011
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When I fucked that girl last night my balls kept slapping against my backboard
by Dickcheese McGoo May 06, 2019
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When you jump in that back(a**) and you ride(grinding) the waves (winding) An you ride it like a surfboard.

synonymous:Grinding ,Riding ,Surfing ,Exotic Dancing.
When work came i had the back-board my girl
via giphy
by 444 + 222 March 19, 2018
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