What does slap mean?
Slap is a familiar word with both literal and figurative uses. As a verb, it describes striking someone or something with an open hand or flat object, as in "she slapped the table," and also applying or putting something on quickly, as in "slap some paint on the wall." As a noun, a slap is the blow itself, a quick application of something, or a sudden verbal or emotional rebuff. The expression "a slap in the face" is especially memorable: it describes an insult or setback as though it were a sharp physical blow. Slap is used in standard British and American English, with informal overtones when it suggests haste, carelessness, or an emphatic gesture. Its direct impact makes it especially effective for describing physical actions, while its metaphorical use gives it emotional force.
A blow made with an open hand or a flat object; a quick application or movement of something; or a sudden insult or rebuff.
"He gave his brother a playful slap on the back."
The figurative sense, especially in "a slap in the face," is common in formal and informal English.
To strike with an open hand or a flat object, or to put or apply something quickly and often carelessly.
"She slapped a bandage over the cut."
Phrases such as "slap on" and "slap down" are informal and often imply speed, emphasis, or carelessness.
The plural is formed regularly by adding -s.
"The audience responded with slaps and cheers."
The phrase "a slap in the face" turns a physical blow into a vivid metaphor for a sudden, painful insult.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does slap come from?
The word is recorded in Middle English, where forms such as "slappen" were used for the action of striking or for a blow. Its precise ultimate origin is uncertain, although its sharp sound has led etymologists to treat it as possibly imitative. Modern English has developed both the physical sense and figurative expressions based on the idea of a sudden, forceful impact.
Related word forms
How slap is actually used
The verb is informal in some contexts, especially in phrases such as "slap on" and "slap into," which can imply speed and a lack of care. The noun is figurative in expressions such as "a slap in the face," where it describes a humiliating or sharply disappointing event.
Easily confused with slap
A slap is a deliberate or forceful strike with an open hand or flat object, whereas a clap is usually the sound or movement made when bringing the hands together.
A slab is a broad, flat piece of a solid material, while a slap is a blow or quick application of something.