1 definition by jay delecruz

Top Definition
often used to describe the crud left behind on a womens thong.
That girl left a nasty justin on her underwear.
by jay delecruz August 09, 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