A person, typically a no life, college-aged, high school graduated degenerate, who regularly attends high school parties hosted by those who are still in high school.

High School student 1 - Why is John at this party? Didn't he graduate from high school in 2007?

High School student 2 - He did graduate in '07. Man what a fossil.

fossil by SLK Creighton February 21, 2011

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fossil

Old person with wrinkly parts. See also calcium.

Damn, yo momma is h0t for a fossil!

fossil by hash July 24, 2003

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fossil

Out-of-date, old, conservative, becoming exhausted or used up. Generally an old timer with no future.

Taken from "fossil fuels" it can refer to someone or something that is generally hurting young people or future generations.

"Man, that politician is such as fossil!!"

"Yeah, he actually owns an oil company..."

fossil by Lifeguard007 May 11, 2014

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FOSSIL

FOSSIL is a standard for allowing serial communication for telecommunications programs under DOS. FOSSIL stands for Fido Opus Seadog Standard Interface Layer and was made by a group of Fidonet sysops to allow software work on different machines.

I installed a new FOSSIL driver for my BBS!

FOSSIL by Homer P. Simpson September 1, 2006

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