make one's mouth water

make (one's) mouth water

1. To cause one to salivate or feel hungry. Just the thought of having a big seafood dinner tonight makes my mouth water. The smell of the burgers on the grill made Jake's mouth water.
2. By extension, to cause one to feel happy or excited, usually with anticipation. A business opportunity like that is enough to make anyone's mouth water!
See also: make, mouth, water

make one's mouth water

Cause one to eagerly anticipate or long for something, as in Those travel folders about Nepal make my mouth water. This metaphoric term alludes to salivating when one anticipates food and has been used figuratively since the mid-1600s, whether it refers to food, as in The sight of that chocolate cake made her mouth water, or not.
See also: make, mouth, water