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.

Out-of-date, old, conservative, becoming exhausted or used up.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.

Old person with wrinkly parts. See also calcium.

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.

Getting posterized in basketball

When someone goes back and likes your old photos, bringing them back to the newsfeed.

a fossil is a disabled person, however even if they have tourette’s, tourette’s doesn’t have them!