No, actually, we've only done this, twice.
5 seconds sound clip from the Top Gun (1986) movie soundboard.
You can hear this line at 00:23:20 in the Blu-ray version of the movie.
Quote context
[...]
- How long have you two been doing this act?
- Oh, I don't know, since... Puberty?
- I'm Maverick. Maverick? Did your mother not like you or something?
- You're a pilot. That's right, a naval aviator.
- No, actually, we've only done this, twice.
- Crashed and burned on the first one. It wasn't pretty.
- I don't know. I'll tell you tomorrow. But it's looking good so far.
[...]