They start arguing, they start yelling. The other one says, You bitch, and starts beating him on the head.
7 seconds sound clip from the Taxi Driver (1976) movie soundboard.
You can hear this line at 00:44:35 in the Blu-ray version of the movie.
Quote context
[...]
- No, the guy was a midget. The blond was a lady.
- Then I pick up these two fags. They're going downtown. They're wearing these rhinestone T-shirts.
- I say, Look, I don't care what you do in the privacy of your own home, behind closed doors.
- But, you know, in my fucking cab, don't go busting heads, you know what I mean?
- God loves you, do what you want.
[...]