Sentence examples for a slap from inspiring English sources

The phrase "a slap" is correct and usable in written English.
It can be used to refer to a quick, sharp blow or hit, often with the hand, and can also be used metaphorically to describe a sudden shock or reprimand.
Example: "He received a slap across the face for his rude comments."
Alternatives: "a hit" or "a smack".