a yoko or "Yoko" refers to a woman of mediocre or comparatively acute artistic ability who becomes romantically involved with a successful and highly talented man. Her increased involvement in and influence on his artistic contributions and general habits leads to a great loss in credibility and artistic integrity, as well as financial loss and, in some cases, causing or introducing factors and situations that lead to the man's death, total ruin, and/or posthumous defamation of character (whether intentional or not).
-Yoko Ono Lennon (whom this term derives from), and her relationship with musician and political activist John Lennon of Beatles fame.
-Nancy Laura Spungen, and her relationship with musician John Ritchie (Sid Vicious) of Sex Pistols fame.
-Courtney Michelle Love, and her relationship with musician Kurt Cobain of Nirvana fame.
by Highlandheadbanger September 24, 2009
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1. A person who ruins friendships and ends close groups.

2. An outside force that causes the breakup of a friendship.
3. A person who comes out or no where and demands too much control in a group.

4. See Yoko Ono
A group of friends have been tight for many years until one girl gets a boy friend and decides that he must become part of everything the group does. This eventually leads to group arguments and the eventual breakup of the group. That boyfriend is a Yoko.
by Yuckoono April 18, 2010
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A slang term for marijuana, namely the pills. The name "John and Yoko" obviously refers to the late 1960's radicals John Lennon and Yoko Ono who were arrested on charges of posession of the narcotic.
Hey buddy, wanna try some John and Yoko? They say it's a gateway drug!
by Soapus July 23, 2006
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screaming cacophonous death caws at the top of your lungs with an incomprehensible sense of self-assurance.
Mary got on stage at the high school talent show, but instead of singing a real song she just started Yoko Onoing.
by exoplanet February 16, 2015
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a "Yoko Ono" must be understood in the context of a music band/group. A "Yoko Ono" makes reference to former wife of late Beatles member, John Lennon. A "Yoko Ono" is a girl that holds a relationship with a member of a band and eventually breaks up the band. This is due to a high level of bitchiness on the girl's behalf and a the male band member being clingy and or whipped.
Yoko Ono has his dick on a leash.

That Yoko Ono is gonna destroy the band.

You Yoko Ono, you're tearing the band apart!
by bitchhunter453 July 04, 2010
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Person who uses the reflected glory of a more talented or famous friend, parent or spouse to create opportunities for themselves; see Yoko Ono
Can you believe Frank Sinatra's son is touring and doing covers of his fathers work? What a yoko.
by Steve the Critic January 01, 2008
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