Green’s Dictionary of Slang

(US) to kill, to murder.

1994		G. Pelecanos Shoedog 121: ‘I want you to doom the white man. Kill him’.
1997		(con. 1970s) G. Pelecanos King Suckerman (1998) 192: All these bikers got themselves doomed out.
1998		(con. 1986) G. Pelecanos Sweet Forever 140: Gonna doom that mothafucker, Alan.
2000		G. Pelecanos Shame the Devil 127: Bitch was with Randy the night Lawton got doomed.