Condition in which the carrier has constant mood swings.
One minute you are happy and the next you are sad. I am tired of your jeckyl and hydeness.
by Maximoff April 12, 2007
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A person with opposing personalities.
Two faced.
Our new boss is a real jeckyl n hyde
by Matoman February 19, 2017
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a great artist for jumpstyle/rave/techno music.
"hey have you heard 'Frozen Flame' by Jeckyll and Hyde?"
"nah, but i've heard 'kick this one' its not bad..."
by 883747349823742656 October 24, 2007
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1. A Robert Louis Stevenson classic novel written about the inner struggle of a man, Dr. Henry Jeckyll, who had the choice of becomming his alter-ego Mr. Edward Hyde. In the end, the evil Hyde overcomes him, and he dies.

2. An amazing Alchoholic Beverage.
We have to read Dr. Jeckyll and Mr. Hyde by wednesday!
Go pick up some Jeckyll and Hyde while you're out.
by Ian Kaulwell November 9, 2007
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(jeck-ild) adj. When an object has been broken. Some form of error. Used exclusively in the Camden Town area of North London.
antoine, you jeckylled the spliff. Or, jon your nose is extraordinarily jeckylled.
by Yojimbo February 23, 2006
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