(~s, ~ing, ~ed)
1.
If you ~ something somewhere, you put it there without great care. (AM INFORMAL; in BRIT, use plonk )
Melanie ~ed her cosmetic case down on a chair...
She swept up a hat from where it had fallen on the ground, and ~ed it on her hair.
VERB: V n with down , V n on n
2.
If you ~ yourself somewhere, or ~ down, you sit down heavily and clumsily. (AM INFORMAL; in BRIT, use plonk )
I watched them go and ~ed down on one of the small metal chairs.
VERB: V down