A boner that pops up at anytime that the boner pleases, generally when most inconvenient.
*guy taking a math test*
*boner pops up*
"Hey man, want some help solving for x?"
"Nah boner, I'm good"
*boner retracts*
*thinking* It just pops up anytime doesn't it?
by Thatguy448 June 20, 2017
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