billing and cooing

English

Noun

billing and cooing (countable and uncountable, plural billings and cooings)

1. Cooing and rubbing of beaks, performed by birds such as pigeons and doves as a prelude to mating.
2. Loving and affectionate behaviour between members of a romantic couple, such as the exchange of caresses and kisses.

Verb

billing and cooing

1. present participle and gerund of bill and coo