That's an adult word to show anger and, um... other things. But just don't... Don't use that one, okay?
10 seconds sound clip from the The Pursuit of Happyness movie soundboard.
You can hear this line at 00:16:53 in the Blu-ray version of the movie.
Quote context
[...]
- It's written as P-P-Y, but it's supposed to be an I in happiness.
- Uh, no. Actually, it's a noun. But it's not spelled right.
- Yeah, that's spelled right. But that's not part of the motto, so you're not supposed to learn that.
- What's that say on the back of your bag?
- My nickname. We pick nicknames.
- Hot Rod.
[...]