Verb
(idiomatic) To get a boost or a lift.
I can climb over the fence if I get a leg up from you.
(idiomatic) To gain some advantage; to get a head start.
He hopes that all the extra advertising will allow him to get a leg up on the competition.
Discrimination has a lot of layers that make it tough for minorities to get a leg up. Bill Gates
We now have an opportunity, though, to do something we didn't do in the industrial age, and that is to get a leg up on this, to bring the public in quickly, to have an informed debate. Jeremy Rifkin
The most successful stuff is sold to you as indispensable social information. The message in the music is, 'We are terribly, terribly slick and suave, and if you listen to us, you can probably get a leg up in society, too.' Iggy Pop