Define Spend A Penny Meaning

Spend A Penny
To urinate in a shop's sanitation facilities, which origianlly cost a penny.

What if I don't have a penny? Do I just piss my pants?
By Beth
Spend A Penny
to expel urine from one's body

Where's the bathroom? I really need to spend a penny!
By Ava
Spend A Penny
1. To piss, urinate, take a slash.

2. Opposite of taking a crap, or shit

Excuse me love, we'll have to fuck later. I need to spend a penny down the waterworks.
By Anne-Corinne
Spend A Penny

By Elbertine