- Mouth-to-mouth resuscitation.
2014, William Stadler, Seize the Soul: Confessions of a Summoner, page 160:
- Press on her chest or give her mouth-to-mouth first? Since she'd been strangled, I decided to give her mouth-to-mouth.
- (slang, figuratively) Kissing, particularly French kissing.
2005, Chase Walker & Robert D. Russell, Bayou Savage, the Ghost Wars - Book 2, ISBN 0595327222, page 192:
- “Welllllllllllll, maybe a little mouth-to mouth[sic] is in order,” as she flung her arms around Quirk's neck, pressed her firm, yet supple body against his and gave him a long, open mouthed kiss.