Short for bottle, as in alcohol, usually referring to hard alcohol.
Vodka, Whisky, Jägermeister ect.
Originated in So Cal and made popular by bands such as Of Mice & Men and We Came as Romans
Also seen in the new Svedka Vodka commercial
Various Uses:
Botted (
fucked up)
Botin' / Botting (in the process of
getting fucked up)
Bot bot bot! (the bot chant / encouraging a bot fest)
Botfest (a party consisting of botting)