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1 definition by MAND41

 
1.
A person that yells and swears when behind the window of a car, but when the driver they were yelling at stops their car they shut up and act like a bitch.
"That guy was a BTBA (behind the window bad-ass) , because when I stopped the car he drove off."
by MAND41 December 27, 2008
11 4