Top Definition
When two drunk people give each other a "fist bump." A drunk gesture after two people agree on something or think something is cool.
After drinking a 12 pack of Michelob Ultra, Tom made a funny joke and gave Mindy a piss fump. When the cast of Jersey Shore get wasted they all want to piss fump.
by dailybragger January 02, 2012

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.