Top Definition
When a person is falling asleep while sitting or standing and their head begins to lean to one side then suddenly snaps back to position as if their neck were made of Jello.
I was so tired in math class today that I kept getting jello neck.
by Guy Gene December 04, 2008
5 Words related to jello neck

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×