slap. ( slæp) n. 1. a sharp blow or smack, as with the open hand, something flat, etc. 2. the sound made by or as if by such a blow. 3. a sharp rebuke; reprimand. 4. a bit of slap and tickle slap and tickle informal Brit sexual play. 5. a slap in the face an insult or rebuff. 6. a slap on the back congratulation. .

slap meaning