wash out (someone's) mouth

Translations
вымыть (чей-то) рот
Someone should wash out their mouth with soap for using such language.
Кому-то следует вымыть рот с мылом за использование такой лексики.
Definitions
To clean someone's mouth with soap or another substance as a punishment for using offensive, rude, or inappropriate language; often used figuratively to suggest that someone should stop using bad language.
Words
wash

verb
промыть
out

adverb
полностью
someone

pronoun
кому-то
s
принадлежность
mouth

noun
рот