1. a. Physical action:
* Hit: To strike or slap someone with a hand, fist, or object.
* Kiss: To kiss someone, typically with a loud or exaggerated sound.
2. b. Drug: Slang term for heroin or other illegal drugs.
3. Taste, flavor:
* Flavor: A particular taste or characteristic flavor.
* Good taste: To have a good flavor or taste.
4. Sound:
* Loud noise: A sudden, sharp, or loud noise or impact.
* Slap sound: The sound produced by slapping something or someone.
5. Adverb:
* Quickly: Done with speed or in a short amount of time.
* Directly: Straight in a specific direction or toward something.
6. Verb (informal):
* Defeat: To overcome or win a competition, game, or argument decisively.
* Criticize: To find fault with or criticize someone or something.
7. Noun:
* Heroin: Another term for the illegal drug heroin.
In some contexts, "smack" can also be a verb, indicating a sudden or forceful action or movement, such as "They smacked the ball out of the park."
It's essential to consider the specific context where "smack" is used to determine its precise meaning.