What does "slat" mean?

Slat: To slap; to strike; to beat; to throw down violently. [Prov. Eng. & Colloq. U.S.] How did you kill him Slat[t]ed his brains out. Marston.

Additional senses

  1. 2.To split; to crack. [Prov. Eng.] Halliwell.
  2. 3.To set on; to incite. See 3d Slate. [Prov. Eng.]

Sources