Why not?
3 seconds sound clip from the Fear and Loathing in Las Vegas movie soundboard.
You can hear this line at 01:30:45 in the Blu-ray version of the movie.
Quote context
[...]
- He swore he didn't do it. Why should I fuck with children? he said. They're too small.
- Christ, what could I say? Even a goddamn werewolf is entitled to legal counsel.
- Yeah.
- Crazy.
- Why not?
- Shit. We should get some of that. Just eat a big handful and see what happens.
- One whiff of that stuff will turn you into something out of a goddamn medical encyclopedia, man.
[...]