(one's) tongue hangs out

(one's) tongue hangs out

One thinks of or anticipates something with great desire and eagerness. Our tongues hung out at the thought of how much money could be made with such a scheme. He stared at the all-you-can-eat buffet with his tongue hanging out.
See also: hang, out, tongue
Farlex Dictionary of Idioms.

tongue hangs out, one's

One is eagerly anticipating something, as in Their tongues were hanging out at the thought of seeing the movie stars in person. This expression alludes to an animal's tongue hanging out of its mouth in anticipation of food. [Late 1800s]
See also: hang, tongue
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • tongue hangs out, one's
  • would give your right arm for
  • would give your right arm for something/to do something
  • give (one's) right arm
  • give right arm
  • give your right arm
  • (one) figures (that)
  • lick one's chops, to
  • make overtures
  • overture