Dictionary definition · slap
noun
- a blow from a flat object (as an open hand)
- the act of smacking something; a blow delivered with an open hand
verb
- hit with something flat, like a paddle or the open hand"The impatient teacher slapped the student"
- to play music at loud volume
adverb
- directly"he ran bang into the pole"
Source: Open English WordNet (CC BY 4.0).