Source : Webster's Revised Unabridged Dictionary (1913)

Skedaddle \Ske*dad"dle\, v. i. [imp. & p. p. {Skedaddled}; p.
   pr. & vb. n. {Skedaddling}.] [Of uncertain etymology.]
   To betake one's self to flight, as if in a panic; to flee; to
   run away. [Slang, U. S.]