Another word for chewing tobacco, the action of chewing tobacco, often stated as "throwing" a hoss. This word is often accompanied with the action of packing a tin without it in your hand making a snapping sound. Also used as an adjective to something that was fun or awesome.
Dude you set for this game? Yeah bro im going to throw in a massive hoss.
Are you hossin? Yeah i threw it in like an hour ago
Dude that line was insane! I know right? It was hossin!