slap

nouns

a blow from a flat object (as an open hand)

slap, smack

the act of smacking something; a blow delivered with an open hand

slap, smack, smacking

hit with something flat, like a paddle or the open hand

"The impatient teacher slapped the student"; "a gunshot slapped him on the forehead"

slap

is derived from

is a type of (narrower)

deliver a sharp blow, as with the hand, fist, or weapon

"The teacher struck the child"; "the opponent refused to strike"; "The boxer struck the attacker dead"

directly

"he ran bang into the pole"; "ran slap into her"

bang, bolt, slap, slapdash, smack