Top Definition
The phrase used to describe running whilst needing to excrete one's bowls, the sufferer then has 2 choices:
- clench their arse and hope for the best
- shit their pants
"Paula Radcliffe shit herself in the marathon", "oh yeah we've all had runner's bum"
by Mahoganay October 12, 2013
When you need to shit whilst running and you must clench your asscheeks to hold it in.
- "Hahaha Paula Radcliffe shat herself mid race", "ah, we've all had runners bum"
by Mahoganay October 28, 2013

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.