IDIOMS

hot to trot

(idiomatic) Eager for sexual activity.

Example: 1986, James Kelly, "Shifting the Attack on Leaks," Time, 19 May,
  At the moment, Justice Department lawyers are cool to the idea. "We're not hot to trot on this thing," says one Justice official.
2008, Jim DeRogatis, "Madonna reigns supreme with tasty 'Hard Candy'," Chicago Sun-Times, 25 Apr. (retrieved 3 May, 2008),
  She's nowhere close to relinquishing her crown as the queen of dance-pop—or abandoning her favorite role as pop music's most hot-to-trot coquette.