tee-hee

Interjection

1. The sound of a giggle.
   • She […] hath ſtiled him with an immortall penne, the bawewawe of ſchollars, the tutt of gentlemen, the tee-heegh of gentlewomen, the phy of citizens, the blurt of Courtiers, the poogh of good letters, the faph of good manners, and the whoop-hooe of good boyes in London ſtreetes.1593, Gabriell Haruey [i.e., Gabriel Harvey], Pierces Supererogation: Or A New Prayse of the Old Asse. A Preparative to Certaine Larger Discourses, Intituled Nashes S. Fame, London: […] Iohn Wolfe...
2. (broadly, 4chan slang and incel slang) The sound of a stereotypically feminine giggle, used to mock women or emphasize the womanhood of a character in an imagined scenario.
   • >gets a rot pocket
     >SEE CHUDS IM A WOMYN NOW TEEHEE2021 October 5, anonymous author, 4chan, /qa/

See all 3 meanings of tee hee