1. (v) to take one position and then later assume a position opposite to the former.
2. (v) to make a bet with a person and then refuse to pay the bet or pretend that you didn't make the bet in the first place.
3. (n) a person who zuhns.

when you're hungover as shit after a spending a night drunk as a skunk

A man known for making such jems as : how to make an undetectable paste and chawndi took me to europe. He is also a massive fucking retard.