And That's Why He's Homeless

Bum: Give me a dollar!
Guy: I'll give you two dollars!
Bum: Give me a dollar.
Guy: I'll give you two dollars!
Bum: You'll give me two dollars?
Guy: On Friday.
Bum: No. Give me a dollar.
Guy: Hey, I'll give you five dollars on Friday if you give me a dollar right now.
Bum: You want me to give you money?
Guy: A dollar. Right now. For five on Friday.
[Bum walks away.]

--Penn Station

Overheard by: Andy