ace up (one's) sleeve

(redirected from ace up her 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 ?
But friends say modest Kate has an ace up her sleeve - that dress by British designer Ben de Lisi she was carefully keeping under wraps.
In the summer of 2000, when Eden Riegel won the high-profile role of Bianca, the most famous lesbian on daytime television, she had an ace up her sleeve: her big sister.