Sekirov Dictionary

stand up on one's hind legs

verb1

•
(informal) To act boldly; to take responsibility.
- We became the nation we are on principles of individual initiative, to stand up on our hind legs and lick them if they needed it, and they called it jingoism at one time, […] — 1957

forms

stood up on one's hind legs · standing up on one's hind legs · stands up on one's hind legs

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