None because they pee sitting down.
It doesn't matter how many you get, because all they'll do is sit around complaining about how misogynistic the use of the word "screw" is.
A: Paddy O'Furniture!
She uses all-porpoise cleaner!
Santatizer
Swim down and knock on the hatch. (In Sweden we have a running tradition of telling jokes about stupid norwegians. They do the same about swedes)
