1 definition by Charmen

Top Definition
When your nipples can be seen poking through clothing, often because of cold weather, sexual arousal, or particular types of clothing. Many women wearing bathing suits and sports bras tend to have a problem with this because of thin coverage, feeling uncomfortable at the prominent exposure of their body.
Are you cold? You're nipping out.
by Charmen February 06, 2010

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