Archaic usage meaning 'to perform antics; to act in a playfully grotesque manner'
паясничатьУстар.; о нарочито смешном, гротескном поведении. The jesters antic across the stage, delighting the court.
Шуты паясничают на сцене, радуя двор.
Synonyms
clown around
horse around
play the fool
Antonyms
be serious
act solemnly
compose oneself
restrain oneself
behave soberly