へそがちゃをわかす

へそが茶を沸かす

N3Expression

Expression

what a joke!•don't make me laugh!

Expression, Godan verb (su ending)

to split one's sides laughing•to be convulsed with laughter•one's navel boils water (using the heat generated by laughing)

Related Kanji

tea

チャ / —

seethe, boil, ferment, uproar, breed

フツ / わ.く