The surname of Westchester's most eminent brothers.
"It won't be the same unless a yankou or two is there."
ayon kay Miss S. Sirhan ika-15 ng Pebrero, 2004
1 more definition
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!
ayon kay Uranus ika-15 ng Pebrero, 2004