titubate

verb3

1. •
   To stutter, stammer.

   • They must let us alone here, we govern ourselves, we are by way of being totally autonomous. (The plethora of t’s there made his tongue titubate, but it was a brave show.) — 1993
2. •
   (no longer used) To stagger
3. •
   (no longer used) To rock or roll, like a curved body on a plane.