Noun from Nadsat - A swing or blow
Used multiple times during Clockwork Orange.
A. Quit throwing tolchocks at me reasonness!
B. A tolchock to the face hurt him badly.
v. Nadsat slang meaning: to beat or strike another person
1. We were about to tolchock the starry ptitsa when the millicents arrived.
2. He tolchocked the girl before giving her the old in-and-out.