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
Get the mug
Get a backboard mug for your mother-in-law Julia.
When I fucked that girl last night my balls kept slapping against my backboard
by Dickcheese McGoo May 06, 2019
Get the mug
Get a Backboard mug for your mama Helena.
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 May 12, 2018
Get the mug
Get a back-board mug for your dad Callisto.