Oh, you're growin' yours, are ya? I'll tell you when it's time to grow a mustache.

5 seconds sound clip from the Super Troopers movie soundboard.

You can hear this line at 00:14:06 in the Blu-ray version of the movie.

Quote context

[...]

- I can't make 'em speed.

- Try hidin'.

- And grow a goddamn mustache, why don't ya?

- I haven't shaved in two weeks, I swear.

- I'm growin' mine.

- Oh, you're growin' yours, are ya? I'll tell you when it's time to grow a mustache.

- Coffee's served!

- Oh, no! That's Rabbit's. That's Rabbit's.

- Okay, I get it. It's Rabbit's.

- Oh, look, a bar of soap.

[...]