heh-heh; hee-hee; ha ha
A light, often sheepish or embarrassed laugh, similar to a chuckle or giggle. Used in casual, informal situations.
Heh-heh, I messed up a little.
female genitals; vagina; vulva
Archaic slang term for female genitalia. Not used in modern Japanese; encountered only in historical or literary contexts.
He scratched his head, laughing with a 'heh-heh'.
In Edo-period slang, 'へへ' referred to female genitals.