Definition of "smacker"

smacker

noun
plural smackers
1. One who smacks or spanks.
  Quotations
  It makes no difference whether the SMC is the smacker or the smackee. Does the SMC talk about physical violence in a matter-of-fact way? This isn't passion; it is evidence of sickness.
  2001, Eric F. Fagan, Cast Your Net
2. One who makes a smacking noise, especially while eating.
3. (humorous slang) A loud kiss.
  Quotations
  She planted me with a smacker so scorchy it singed my socks.
  1991, Gary K. Wolf, Who p-p-plugged Roger Rabbit?, page 236
4. (humorous slang) singular of smackers: The lips; money.