Top Definition
adjective/noun: 1. A flatulent backside; 2. a malodorous individual
1. Eating those six jars of past-their sellby date peanut butter has made you a proper runkybum! (also runkyarse)

2. You haven't bathed for over a week now, You're a proper runkybum!
by The Man from MilkTray April 02, 2010

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.