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1 definition by BillyCaeser

 
1.
To dose or defile someone's drink, food, etc. Specifically, what waiters secretly do to your food if you're rude or disgusting. The origin is from Alex Haley's "Roots" where ex-slave "Kizzy" (played by Leslie Uggams) spits into the tin cup of her ex-massa (played by Sandy Duncan) before "fetching" her water.
Putting the kizzy or spitting in the drinks of rude restaurant customers.
by BillyCaeser June 17, 2007