Green’s Dictionary of Slang

ant n.

(US drugs) (marijuana) cigarettes either dipped in PCP or formaldehyde.

[US]A.N. West ‘The Screw Tapes’ at thebaffler.com 14 Sept. 🌐 Screw’s real drug of choice was fry, ant, sherm—all names for cigarettes or joints dipped in PCP and/or embalming fluid.