You better shit-can that blasphemy, boy. You're in a house of worship.
6 seconds sound clip from the Kill Bill: Volume 1 movie soundboard.
You can hear this line at 00:18:02 in the Blu-ray version of the movie.
Quote context
[...]
- Nine dead bodies. And we're talking the whole shebang. Bride. Groom. Reverend. Reverend's wife.
- Hell, they even shot that old colored fella that plays the organ.
- It would appear to me somebody objected to this union and wasn't able to hold their peace.
- What'd I tell you, Pop? It's like a goddamn Nicaraguan death squad.
- You better shit-can that blasphemy, boy. You're in a house of worship.
- Well, this is definitely the work of professionals.
- I'd guesstimate Mexican Mafia hit squad.
[...]