leg up, a
The act of assisting someone, giving someone a boost. For example, Studying with Jane, who knows French history well, will give you a leg up for the final exam. This usage alludes to helping a person get on a horse by getting a foot in the stirrup. [First half of 1800s]
A position of advantage, as in Because of the advertising campaign, we had a leg up on the competition.
Words nearby leg up, a
leg bye,
leg drop,
leg hit,
leg rope,
leg stump,
leg up, a,
leg warmer,
leg-break,
leg-of-mutton,
leg-pull,
leg.