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 Gumba Gumba August 4, 2004
to expel urine from one's body
Where's the bathroom? I really need to spend a penny!
by Anonymous November 2, 2003
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 WhosYourDaddy January 14, 2004