Try this one: sitting on the toilet. Now show some manners next time or I'll have you eating shit.
17 seconds sound clip from the Of Cooks And Kung Fu (1979) movie soundboard.
You can hear this line at 00:21:11 in the Blu-ray version of the movie.
Quote context
[...]
- He's vicious. I'll show him.
- You call that lot kung fu? I'll take you upon it.
- This is birds nest soup style.
- Try this one: sitting on the toilet. Now show some manners next time or I'll have you eating shit.
- Oh. Must have been a mouse. Or a bloody big rat.
- Where the hell have you been? What's that stink?
- Well it's like this. Some bastard I met argued with me then he beat me up.
- Dumb idiot, you've forgotten what I've taught you.
[...]