Plopped down

SAT

Think of what you do when you take a seat abruptly on a chair.

"Plopped down" is a casual way to say someone sat heavily or abruptly, which directly points to the answer "SAT." The clue plays on the informal meaning of "plopped"—like dropping into a chair—rather than any tricky wordplay. It’s a straightforward definition where the answer matches the action described. Think of how you’d say "I just SAT down hard" after collapsing onto the couch.