Top definition
The act of preventing another car from cutting into your lane during heavy traffic.
I'm trying to get into the left lane, but this jag off is giving me a nosir.
by rabies August 11, 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
2
the phrase responded when someone attempts to hit your testicles and fails to do so. generally pronounced in a hispanic accent.
ball-hitter "BALLZZ, DAMN I MISSED"
person whose balls were to be hit "no siir"
by Chevy G March 22, 2005
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