Top definition
An Unwanted Erection, purely for the annoyance and anguish of the embarrassed owner.

Commonly shortened to "spont","sponty" or "sponer" (spow-nerr)
"Goeffrey, it has come to my attention that throughout this entire car journey you have been wielding a Spont-On worthy of documentation"

"Oh Isiah, what an embarrassment. I do implore you forgive me my good friend"

"You are forgiven, now enjoy it while it lasts, my friend"
by Randomflapjack March 04, 2008
Mug icon

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