Molly whop someone
Molly whop (one)
To strike, slap, or slam into one, either once or repeatedly; to wallop one. The term is sometimes hyphenated, and sometimes both, or neither, "Molly" and "whop" are capitalized. I'm gonna Molly-whop you if you don't shut your mouth! The car sped through the red life and Molly Whopped van that had started to drive forward.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
Molly whop someone
tv. to beat someone up; to slap someone hard. Quiet or I’ll Molly whop you.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.