Take sitting down

From Fresh Dictionary

English

Verb

take sitting down

1. ((idiomatic{{#if:|, {{{2}}}{{#if:|, {{{3}}}{{#if:|, {{{4}}}{{#if:|, {{{5}}}{{#if:|, {{{6}}}{{#if:|, {{{7}}}{{#if:|, {{{8}}}{{#if:|, {{{9}}}}}}}}}}}}}}}}}}})) To tolerate, accept, or acquiesce; to take no action.

   I hope he doesn't think he can get away with such an thing. I'm not going to take this sitting down.

Usage note

• Predominantly used in the negative.