Top Definition
A derogatory term for drug-users at dance clubs. Most commonly employed when describing Methylenedioxymethamphetamine (Ecstasy) users. The term itself comes from the fluid head movements done by those described; appearing as though their neck is made of jelly.
"Yes, Jason and I used to hit the clubs all the time, but we have not since he became a jellyneck."
by Penix April 19, 2008

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Derogatory phrase regarding the weight an individual gains surrounding the neck region
Robert called Phil a 'jelly-neck' as an insult regarding the added weight Phil had put on in the past weeks
by Will Turner April 20, 2006

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a jelly type of neck
hannah had a very sort of jellyneck
by hockeygal88 April 10, 2005

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