verb
He said something extremely rude so she slapped him
Can't you stop that blind from slapping in the wind?
If you slap some paint on it, no one will know the difference
noun
He got a hard slap on the cheek for using foul language
The speaker's reference to Anne's paper as 'trivial' was a severe slap in the face
adverb
As usual, Barry's comments were slap on the mark
US