What is "to overshoot one's self"

Overshoot \O`ver*shoot"\, v. t. [imp. & p. p. Overshot; p. pr. & vb. n. Overshooting.]

1. To shoot over or beyond; to miss; as, to overshoot a mark; to overshoot the green in golf. ``Not to overshoot his game.''
   --South.

2. Hence: To go beyond an intended point or limit; as, to overshoot the runway in landing an airplane; to overshoot the endpoint in a titration.

   2. To pass swiftly over; to fly beyond.
   --Hartle.

3. To exceed; as, to overshoot the truth.
   --Cowper.

   To overshoot one's self, to venture too far; to assert too much.