lock lips (with someone)

lock lips (with someone)

To kiss (someone) passionately and at length. I'll never forget locking lips with my wife for the very first time. OK, you two, quit locking lips—our train is about leave.
See also: lip, lock
Farlex Dictionary of Idioms.

lock lips

Slang
To engage in a long kiss.
See also: lip, lock
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • lock lips
  • fish-kiss
  • (one's) lips turn blue
  • lick/smack your lips
  • smack (one's) lips
  • pucker up
  • purse up
  • cop off with (one)
  • on (one's) lips
  • on someone's lips