Definitions by mixer999

Mixy 

(N, Adj) The act of getting in the mix or mixing it up with others socially.

"Let's get Mixy"--as in let's mix it up with others in a social environment
"There's good Mix"--There is good social interaction in the immediate surrounding environment
"He/She has good Mix"--the person described has good chat/banter when interacting in a social environment

Mixy by mixer999 September 25, 2012