flop

flop
VERB
flopped (past tense) · flopped (past participle)
fall, move, or hang in a heavy, loose, and ungainly way:
"black hair flopped across his forehead"
SIMILAR:
drop
dangle
droop
sag
flap
loll
hang (down)
hang loosely/limply
sit or lie down heavily or suddenly in a specified place, especially when very tired:
"Liz flopped down into the armchair"
SIMILAR:
collapse
slump
crumple
subside
sink
drop
fall

The phrase “bound to flop” is an idiom that means something is likely to fail or be unsuccessful. It is often used to describe a project, idea, or plan that has little chance of succeeding. For example, “I think the new restaurant is bound to flop because it’s in a bad location and has poor reviews.”

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Why Josh Hawley’s current 'faux populist stunt' is bound to flop: analysis
tumble
INFORMAL
rest or sleep in a specified place:
"I'm going to flop here for the night"
INFORMAL
(of a performer or show) be completely unsuccessful; fail totally:
"prime-time dramas that flopped in the US market"
SIMILAR:
fail
fall flat
founder
misfire
backfire
come to grief