No. You're thinking of shit.
4 seconds sound clip from the Uncle Buck (1989) movie soundboard.
You can hear this line at 00:01:36 in the Blu-ray version of the movie.
Quote context
[...]
- There's nothing wrong with crap.
- Oh, really? I thought that was a swear.
- No. You're thinking of shit.
- Thank your parents for that.
- It was their brilliant idea to move here.
- They weren't making enough cash in Indianapolis.
[...]