You can get the stuff at little corner stores called bodegas. Say it with me: bo-de-gas. Yes, very good.
10 seconds sound clip from the Half Baked movie soundboard.
You can hear this line at 00:04:45 in the Blu-ray version of the movie.
Quote context
[...]
- Lady, you want seven bucks for a used Kenny Loggins record? I'll give you five.
- All right, I'll give you four.
- As far as herb goes, you can get it all over this town.
- Free!
- You can tell these places 'cause they always have incredibly old products, but the weed ain't bad.
- Let me get four dime bags. Hmm?
- I don't have no idea what you're talking about.
- Jose, you crazy, man. He's crazy.
[...]