plop

PLOP noun

[ C ] uk/plɒp/ us
the sound made by an object when it falls into water

бульканье

plop verb US informal uk/plɒp/ uspresent participle plop ping | past tense and past participle plop ped   plop (sth) down/onto, etc
to put something somewhere quickly and without care

бросать, ронять, плюхаться
She plop ped down next to me.