smack up meaning (informal): definition, quotations

smack up

verb

Informal To beat up physically.

They might even smack her up a bit but not too much.1997, Lorraine Johnson-Coleman, Just plain folks:
1997, The Prodigy, Smack My Bitch Up (song title)

2 more examples

1998, South Park Episode 217, "Gnomes" Mr. Garrison: "Well, let me put it another way. You have to give your oral report to the entire South Park Town Committee tomorrow. And if it doesn't kick ass, and you make me look bad, Mr. Hat is gonna smack you bitches up!"
"If I don't protect the baby, the bears will smack her up."2001, Craig Lesley, Storm Riders:

Informal, Slang To use heroin or be intoxicated on heroin.