1
general::
Phrase(s): chop someone off
Fig. to stop someone in the middle of a sentence or speech. (Abruptly, as if actually chopping or cutting.) • I’m not finished. Don’t chop me off! • The moderator chopped off the speaker., Phrase(s): chop something off (of) something [and] chop something off
to cut something off something, as with an axe or saw. (Of is usually retained before pronouns.) • We chopped the dead branches off the tree. • You should chop off the other branch.
McGrawhill's American Idioms And Phrasal Verbs