slump down

To suddenly fall or drop down heavily, often because you're very tired or sad

"She slumped down in the armchair, too tired to even take off her coat."

Hear it in context

I've messed up real bad, I'm in way too deep...

Garbage Time · 18:12

It's just more cosmetic, and I'll slump down the road,

Sunrise on the Reaping A Hunger Games Novel By Suzanne Collins AudioBook P1

AudioBookEng · 456:18

I pretend not to notice and slump down next to the burm.

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