Top definition
Not wearing a shirt, or "Not a shirt"
Amy: "A girl was wearing a Nirt at the beach today, what a slut"
by adlsjn1234 February 16, 2011
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