ace up (one's) sleeve

(redirected from ace up your sleeve)

ace up (one's) sleeve

A secret plan, idea, or advantage that can be utilized if and when it is required. A reference to cheating at a card game by hiding a favorable card up one's sleeve. My stamina is the ace up my sleeve for this race—the other runners don't stand a chance! The defense attorney waited for just the right time to play the ace up her sleeve—a new eye-witness.
See also: ace, sleeve, up
References in periodicals archive ?
In order to create as much authenticity of the character as I could, I had the make-up artists make me a tattoo of the ace of spades on my wrist because that's Worm's whole philosophy in life: always keep an ace up your sleeve, but the character is not all bad.