bend over backwards

bend over backwards idiom
Also, lean over backwards. Exert oneself to the fullest extent, as in Dad bent over backwards so as not to embarrass Stasia's new boyfriend. This phrase transfers the gymnastic feat of a backbend to taking a great deal of trouble for someone or something. [c. 1920] Also see under fall all over.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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