Top definition
The result of seeing something that is the complete opposite of sexy.
A fatty walks up in low cut shirt with a wonderbra holding up her huge fat cans. "Dude, that's nasty, she's giving me an unrection."
by Arrogant Bastard February 22, 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