Woolworths bladder

Best definition
Woolworths bladder
Someone who has a weak bladder (ie, has to pee more than is normal) is said to have a Woolworths

bladder.
It refers to the fact that object bought from Woolworths are often cheap and shoddy.

Person 1: Is he going to the toilet again?

Person 2: Yeah, he has such a Woolworths bladder.