get up on hind legs
get up on its hind legs
Of a four-legged animal, to stand on its back legs. If you're trying to teach the dog to get up on its hind legs, why don't you use treats as an incentive?
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
get up on one's hind legs
Fig. to get angry and assertive. (Alludes to the action of a horse when it is excited or frightened.) She got up on her hind legs and told them all to go to blazes. She has a tendency to get up on her hind legs and tell people off.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.