also: わらいのつぼ
expression, noun
sense of humor; funny bone
Refers to what a person finds funny; often used in phrases like 笑いのツボが合う (to share the same sense of humor) or 笑いのツボに入る (to find something hilarious).
彼とは笑いのツボが合う。
He and I share the same sense of humor.
その冗談が笑いのツボに入った。
That joke really tickled my funny bone.
Literally 'the pressure point of laughter'; ツボ (pressure point/acupuncture point) is used metaphorically for a spot that triggers a strong reaction.