flop down(redirected from flop something down)
1. To fling or plop oneself down onto some surface or thing. I knocked a few pillows onto the floor when I flopped down on the couch. As soon as Paulina flopped down onto the bed with a big sigh, I knew that her date must not have gone well.
2. To plop something down onto some surface or thing. In this usage, a noun or pronoun can be used between "flop" and "down." Once I realized she was angry with me, I flopped her Valentine's present down and left.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
to sit down heavily or awkwardly. Be graceful. Don't just flop down! When I reached the chair, all I could do was flop down.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.