walk off phrasal verb ( see also ↑ walk )
1 . to leave someone by walking away from them, especially in a rude or angry way:
Don’t just walk off when I’m trying to talk to you!
2 . walk something ↔ off if you walk off an illness or unpleasant feeling, you go for a walk to make it go away:
Let’s go out – maybe I can walk this headache off.
walk off dinner/a meal etc (=go for a walk so that your stomach feels less full)
3 . walk off (the/your etc job) American English to stop working as a protest:
Without new contracts, mine workers will walk off their jobs Thursday.