Top definition
A boner in the clitoral region that a girl gets during the beginning stages of menstruation. It typically occurs during the first fifteen minutes of menstruation.
Everyone can see that Sally has a raging menstruation boner.
by Werd1234567 November 30, 2009
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