Top Definition
An attack of the diarrhoea's SO bad that it looks like someone's arse has done a firehose rodeo down the loo.

Quite literally the onomatopaeic sound that would be assumed to go with the actual incident

Even worse when the whirly splat is discovered by the owner of the toilet and has had time to dry.
Toooommmmm, get you arse in here!!!

That's a right proper case of the whirly splats that is!!! here have a toilet brush
by ebuygum April 24, 2009
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