Green’s Dictionary of Slang

rod v.

[rod n.]

1. of a man, to have sexual intercourse.

[UK]Partridge DSUE (1984) 983/1: late C.19–20.

2. (US Und.) to hold up with a gun.

[US]Jackson & Hellyer Vocab. Criminal Sl. 71: rod [...] to hold up at the point of a pistol.

3. to arm oneself with a gun.

[US]J. Lait Put on the Spot 76: His mob an’ Kinky’s wouldn’ rod nor rat so long as the boys stayed on the reservations.

4. (US teen) to drive an automobile.

[US]Sandusky Register (OH) 19 Nov. n.p.: Thanksgiving. This means a lot of time to rod about [...] drive like the fizz is following you.
[US]Baltimore Sun (MD) Sun. Mag. 4 Dec. 9/1: He had feet, rodded a bomb that was real hairy, and stacked up as the ginchiest speed man in school.

In phrases

rod off (v.)

to shoot dead.

[UK] (ref. to 1920s) L. Duncan Over the Wall 209: I couldn’t help wince perceptibly at the casual way remark by either Jones or Murray of ‘rodding off the guy.’.