1. The disgustingly long hair on the back of someone's head when the hair on top has ceased to grow and they refuse to cut it in order to hold on to what little they have left.

2. The highly unfashionable hair style sported by bikers who try to deceive people by wearing a doo-rag into thinking that they can actually grow a full head of hair...also the style sported by burnt out hippies left over from the baby boomer era attempting to still live in their youth.
Terry "Hulk" Hogan really needs to shave off his skullet.
by Jaason December 2, 2007
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Skullet where the hair in the head is shaved except for a circular patch on the back that is left long or braided into a rat tail .worn by some bikers and various Caucasians.
Kirby what the hell is that on rocks head.i don't know man looks like a skullet.
by Maxwell1111 December 9, 2013
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when a female shaves the front of her pubes but lets her undercarriges grow long.
Damn, Angie your skullet is wild!
by raylinda March 6, 2009
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a skanky mullet as displayed on zeke
haha, zeke, you have bird seed in your skullet.
by Skeg Smith January 8, 2008
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A dirty hair cut, or a scumbags paradise. The rat-skullet is a sub-species of the mullet and a cross-breed with a rat tail. In order for a person to have such an ugly hair style they should be married to their sister.
who-a, look at dat der rat-skullet, betcha that mutha just ventured a little far away from the park.
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A bald, fucking gay, retarded and feminine biznatch.
That biznatch is a retard with really bad hair. Why is he wearing a dress? He looks really fucking gay. He must be a skulleted tard-o-licious hebitch!
by L May 7, 2004
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Hairstyle on a balding man where it's grown out and tied into a ponytail.
She's with that old guy sporting a skullet.
by FastRomeo73 August 9, 2018
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