A euphemism for crotch, in terms of the female anatomy (aka vagina). As heard in S08E04 of Bobâs Burgers.
Catherine: âTheyâve been bullying Kendraâand this one gal, Laurie, she...â
Chris: âShe kicked Kendra in her tinkle-dink!â
Catherine: âItâs the word we use for âcrotchâ.â