Top definition
1.The empty set is not the same thing as nothing; it is a set with nothing inside it. It's a mathmatical term.
2. The head of a stupid person.
Kevin is such an empty set. He's got nothing going on upstairs.
by Sandi68 April 13, 2006
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