to sprunt up

from The Collaborative International Dictionary of English v.0.48

Sprunt \Sprunt\ (spr[u^]nt), v. i. [Cf. {Sprout}, v. i.]
   To spring up; to germinate; to spring forward or outward.
   [Obs.]
   [1913 Webster]

   {To sprunt up}, to draw one's self up suddenly, as in anger
      or defiance; to bristle up. [Local, U.S.]
      [1913 Webster]