Slat
Slat , noun
[CF. Slot a bar.]
A thin, narrow strip or bar of wood or metal; as, the slats of a window blind.
Slat , transitive verb
[Old English slatten; compare Icelandic sletta to slap, to dab.]
1.
To slap; to strike; to beat; to throw down violently. [Provincial English & Colloquial United States]
How did you kill him?
Slat[t]ed his brains out.
2.
To split; to crack. [Provincial English] — Halliwell
3.
To set on; to incite. See 3d Slate. [Provincial English]