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)