- 1[transitive] slap somebody/something (+ adv./prep.) to hit someone or something with the flat part of your hand synonym smack She slapped his face hard. She slapped him hard across the face. “Congratulations!” he said, slapping me on the back.
- 2[transitive] slap something + adv./prep. to put something on a surface in a quick, careless, and often noisy way, especially because you are angry He slapped the newspaper down on the desk. She slapped a $10 bill into my hand.
- 3[intransitive] + adv./prep. to hit against something with the noise of someone being slapped The water slapped against the side of the boat. I could hear bare feet slapping down the corridor. Phrasal Verbsslap somebody aroundslap somebody/somethingdownslap something on somebody/somethingslap something on somethingslap something on something
NAmE//slæp//Verb Forms present simple I / you / we / they slap
he / she / it slaps
past simple slapped
-ing form slapping