hook off

verb5

1. •
   To unhook or remove from a hook.

   • The guard then hooked off the engine and told us to run round the train with the engine. — 1894
2. •
   To curve to the side from a straight trajectory.

   • The road you were on would change; you'd be driving on 35, and if you missed the small road that hooked off to the left, you'd suddenly be on 211. — 2007
3. •
   To punch with the arm rigid and partially bent.

   • Cody hooked off his jab and tagged Ray with a smart left. — 2007
4. •
   To remove with a hooking motion.

   • Rub-a-rub, rub-a-rub, three dabs and scrub, Two covers hooked off the arm-chairs Them dusters and towels, each marked with two vowels, Will bring a good thing, I declares! — 1856
5. •
   (slang) To depart, especially when finishing something or giving up on something.

   • "Somebody has hooked off with your pie," he blurted in a desponding tone. — 1869