Top Definition
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
The part of the basketball hoop that the ball hit before the hoop
My friend broke the backboard of his basketball hoop
by Rollerskatingqueen July 19, 2016
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