Green’s Dictionary of Slang

jont n.

[var. on joint n. (8)]

(US prison) a thing, an object.

[US]Other Side of the Wall: Prisoner’s Dict. July 🌐 Jont: A word that can be used in place of other words or things. From a misspelling of the word ‘joint.’ Also, ‘jiont.’ As in, ‘I got framed on that jont.’.