give (one's) right arm to (do something)(redirected from giving their right arm to do it)
give (one's) right arm to (do something)
To go to any length or relinquish anything of value in order to be able to do something. Almost always used after the modal verb "would." Oh, I would give my right arm to be able to write like you! She said she'd give her right arm to meet the singer in person.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.