when you are trying really hard not to shit all over yourself, but a little ends up coming out and then BAM!! you end ups shitting everywhere as it all runs down your leg. Usually results in uncleanable pants and underwear.
--man, last night i had to shit so bad that i had anal leakage everywhere.
--that suks man.
--i know. and it was in front of my girlfriend too! shes not my girlfriend anymore...