Top definition
that feeling that you get when water goes up your nose. the equivalent of brain freeze when you eat something cold
I got brain shock when I tried to do a frontflip underwater
by monkeyknuckles94 January 04, 2010
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