I reckon you are smart.
6 seconds sound clip from the Bolo (1977) movie soundboard.
You can hear this line at 00:11:47 in the Blu-ray version of the movie.
Quote context
[...]
- Come on, come on, this way. The lady's waiting, she's a hot little number, gents.
- Please come in, come in, the lady's waiting inside for you, mister now.
- I'm half Cantonese, half Shanghai-nese.
- You look a bit Shanghai-nese, but why are you Cantonese?
- I've never seen a man as big as you before.
- Watch it, are you blind or somethin'?
[...]