Definitions by :)jwood(:

notch 

A notch is a piece of eyebrow missing due to a razor.
How it occurs:
1. Person A makes a boast about something they will due
2. Person B says "notch"
3. Person A must then do the thing that they boasted about or else Person B will get to take a piece of their eyebrow

Person A: I'm going to go climb the CN Tower now
Person B: Notch
Person A: Crap, it was just a joke
Person B grabs a razor

notch by :)jwood(: March 28, 2015