expression
what a joke!; don't make me laugh!
Used as an exclamation to ridicule something absurd or laughable. Often said in response to a statement or situation that is too ridiculous to take seriously.
See also: へそで茶を沸かす
彼が社長になる？へそが茶を沸かすよ。
Him becoming the president? Don't make me laugh!
expression, godan verb (-su)
to split one's sides laughing; to be convulsed with laughter
Describes laughing so hard that it feels like one's belly button could boil water. A vivid, humorous idiom for uncontrollable laughter.
あの漫才を聞いて、へそが茶を沸かした。
I split my sides laughing at that comedy duo.