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.
Synonyme
play the fool
horse around
clown around
Antonyme
behave soberly
restrain oneself
compose oneself
act solemnly
be serious