Short for Metallica. The band itself calls it self 'tallica. Headed by Lars Ulrich and James Hetfield with backup from Kirk Hammet and recently added Robert Trujillo.
Great Band: I saw Metallica open for Ozzy last night, and they killed!
Lame Band: I saw 'tallica with Limp Bizkit and Linkin Park opening. Please tell me I'm having a nightmare!
The biggest burrito of angst the world has ever known. Tasted great in the eighties, stained our drawls in the nineties, but just remains an ugly crusty spot on the carpet of the New Millenium.