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1.
The surname of Westchester's most eminent brothers.
"It won't be the same unless a yankou or two is there."
by Miss S. Sirhan February 15, 2004
 
2.
A Yankou is one who is a pixie, a transvestite, a 12 year-old kleptomaniac, or sports dashing facial hair.
Don't bring those Ursuline juniors to the NOATS show; they'll molest the Yankous!
by Uranus February 15, 2004