Why don't you try it out?
3 seconds sound clip from the Good Morning, Vietnam movie soundboard.
You can hear this line at 01:25:30 in the Blu-ray version of the movie.
Quote context
[...]
- All right. Where are you from?
- I'm from, uh, Cleveland, man.
- Cleveland? Obviously, Vietnam's not that much of a change for you, then.
- What's this thing on your helmet? What is that thing? What you got there?
- Well, Why don't you try it out.
- Look at this, look at that. It says... What sizes you got? You got large, medium and Caucasian.
- Look at this thing. A little Italian party favour there.
- Oh, no, Bozo, boys and girls.
- Look at this thing. Obviously, this is going like, Yeah, check it out.
[...]