1 definition by kl2895

Top Definition
a problem usually found in young, male(obviously) teenagers when even though they may not be aroused, they may obtain an erection.
A: dude Steve had a boner in english today. it was nasty

B: dude thats not funny, Steve has Spontaneous Erection Disorder

A: don't wel all?
by kl2895 January 09, 2011

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug