plump down
v 1: drop heavily [syn: {plonk down}, {plump down}, {plank
down}]
2: set (something or oneself) down with or as if with a noise;
"He planked the money on the table"; "He planked himself into
the sofa" [syn: {plank}, {flump}, {plonk}, {plop}, {plunk},
{plump down}, {plunk down}, {plump}]