Top definition
Contraction between "Never" and "Definitely". To provide an absolute, definitive NO.
When Amy asked Johnathan out on a date Friday night, he Answered "Nefinitely not."
by Ronin1 March 10, 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