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protrusions on a persons forehead, may be one or more, usually but not limited to, past middle aged himbos trying to recapture a lost youth.

Can be accompanied with pronounced veins surrounding skull egg that run down to the nasal area.

Skull eggs occur as the result of ingestion of all manner of substances, but most commonly the snorting of cocaine, heroin or secret injections of human growth hormone.

Can also be the result of botched platic surgery.
Jean Claude Van Damme has a nice skull egg growing on his right side forehead in movie Univeral Soldier: Regeneration.

Also Sly Stallone has Skull Egg development.

Gary Lyon, Australian Rules footballer and candidate for the Australian Yeti look alike award also has skull eggs developing.
by Mr Lucius Wolf January 03, 2010
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