1 definition by Josh B04

Top Definition
When a person takes a dump, accidental or otherwise, the literal second their ass touches the toilet seat. Often associated with sudden/panic Diarrhoea, Irritable Bowel Syndrome, or just plain misfortune.

"Thank fuck! Shitdown! A second later an' I woulda fudged my drawers fo' sho' "


A: "Why you all flustered dude?"
B: "Yo man just had a shitdown, coulda been some serious shardage"
A:"Thank the Lord"
by Josh B04 March 08, 2008
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