Stumbles on Sesame Street?

Usage examples of lisps.

The waiter, a not‑bad‑looking faggot, is at a loss and helplessly lisps an excuse.

Comes after lunch so she won't need to feed him or phone his mom about allergies, and just when she starts wondering whether to call and ask if he can stay for supper, he lisps "Fsthangs" and goes.

Strobe seemed to admire the physical imperfections of people, their lisps, scar tissue, chipped teeth.