Top definition
phr. Descriptive of desperately wanting a piss, being on the verge of incontinence.

Named after Ulley Dam in South Yorkshire, which almost completely collapsed during the British floods of summer 2007
"I've got a bladder like Ulley Dam here. If I don't get to a toilet soon, I'll be needing a trouser shop"
by Roger Mellie 84 January 17, 2008
Get the mug
Get a bladder like Ulley Dam mug for your cat Zora.