OOT is the abbreviation of Object Oriented Turing, the programming language with the Funniest Abbreviation Ever.
Rabid: Oh, really subtle.
Oot Bottle: ?
Rabid: Sure pretend like you're not... GOD! YOU BOTHER ME!
Oot Bottle: What have I done to deserve this abuse?
Rabid: Nothing really.
Rabid: You're just a big bottle of OOT!

