I used to hit you on the head the whole time to improve your stamina, and teach you how to react much faster.
10 seconds sound clip from the Against the Drunken Cat Paws movie soundboard.
You can hear this line at 01:26:09.333 in the Blu-ray version of the movie.
Quote context
[...]
(girl kung fu fighting and swinging sword)
- So you'd like some pipe tobacco, would ya?
- Come on, no need to be so ungrateful. Eh?
- So now I'm going to give you something that will help you defeat them.
- This.
- A nail?
- You've driven hundreds of those nails home with your bare hands. Now do the same to those two.
- Oh, you're not feeling well? Here, let me...
- Here, stop pretending. Go on, up you get. I'm not thinking of you one final...
[...]