smack someone down
1. Lit. to knock a person down or cause a person to retreat with a slap or a blow. He tried to touch her again and she smacked him down. She smacked down the rude fellow.
2. Fig. to rebuke someone. she smacked him down by telling him that he didn't fit in there anymore. He has a way of smacking down people who ask stupid questions.
smack something down (on something)
and smack something down (onto something)to slap something down onto something. He smacked his bet down onto the table, angry with his mounting losses. Todd smacked down his hand on the table. She smacked her dollar down and grabbed up the newspaper.