with an arm tied behind (one's) back

(redirected from with an arm tied behind my back)

with an arm tied behind (one's) back

Easily or effortlessly; having no difficulty or resistance (while doing something). Are you kidding? Montgomery is a powerhouse boxer—he'd knock that kid out with an arm tied behind his back! Oh, please, I could beat you in a game of chess with an arm tied behind my back.
See also: arm, back, behind, tie