to bill and coo
01
(of two people) to kiss and talk with one another in a very quiet and sentimental way
![to [bill] and [coo] definition and meaning](https://cdn.langeek.co/photo/40197/original/?type=jpeg "to [bill] and [coo] definition and meaning")
Approving
Idiom
Informal
Old use
例
At their anniversary party, the couple held hands, exchanged loving glances, and billed and cooed all night long.
The couple spent their vacation in a cozy cabin, billing and cooing by the fireplace.
