n., v., & adv.
n. 1 a sound as of a smooth object dropping into water without a splash. 2 an act of falling with this sound.
v. (plopped, plopping) intr. & tr. fall or drop with a plop.
adv. with a plop.
[ 19th c.: imit. ]
n., v., & adv.
n. 1 a sound as of a smooth object dropping into water without a splash. 2 an act of falling with this sound.
v. (plopped, plopping) intr. & tr. fall or drop with a plop.
adv. with a plop.
[ 19th c.: imit. ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012