tippy-toe verb to walk on tiptoe UK,1901 Childish variation of conventional “tiptoe”.
Fergy, smiling seductively, struggling to retain the towel around his waist, tippy-toes over to the wall switch[.] — Odie Hawkins, Ghetto Sketches, p. 202, 1972
He’d tippy-toed out at the crack of dawn. — Janet Evanovich, SevenUp, p. 34, 2001