Top definition
the art of jerking off in your sleep without being aware of it.
I couldn't sleep last night. You napstabate in your sleep and it kept me up.
by Gakhead April 21, 2013
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