The Guy with the Long Arms?

Guy with long dreadlocks: Why you keep bothering me, man? Why can't you just go away?
Guy with short dreadlocks: Why don't you tell your mama to go away?
Guy with long dreadlocks: Awww, man, why you gotta bring my mama into this?! [To woman in ticket booth] Hey, lady! Woman! Call the law, man!
Woman in ticket booth: Excuse me?
Guy with long dreadlocks: The law, man! Call the law!

--In front of ticket machines, Union Station

Overheard by: didn't want to get involved