1 definition by Michael O

Top Definition
When someone falls asleep, or naps, on an item or clothing that leaves an imprint, or temporary tattoo on the surface of the person’s skin.
Juan fell asleep in Health Class and ended up with a big nap-tat that looked oddly like a penis.
by michael o January 19, 2008

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