2 definitions by Phat Pail

A shit-tastic hardcore "band" that prides itself on creating complete ear-rape with electric instruments.
Jim: Man, Altissimus really sucks my asshole dry!
Chris: Altissacore is ten times better.
by Phat Pail December 31, 2011
A ridiculously great band created by the dark lord himself. Composed of a myriad of extremely competent musicians who are not only passionate about their music, but are also passionate about their fanbase.
Jim: I had a dream about Altissacore last night, and I woke up in a bed full of semen.
Chris: Exploding skull genocide rocks my socks!
by Phat Pail December 31, 2011

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