Top definition
The act of ejaculating (cumming) in a girl's ear during a blow job.
Jeff: "I just gave this chick a Dirty Derouin"

Steve: "Ew, Gross"
by SkillzMcGruff December 02, 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