1 definition by Timmy Beeeee

Top Definition
The act of cumming inside a girl without her knowing.
"Whenever I Fuck My Girl I'm always Ninja Nutting."
by Timmy Beeeee February 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