Noun, Person, Informal
1) Term of address for a girl or young woman, often expressing affection or reprimand (informal).
2) Slang for "miss", endearment, used often as a nickname, usually for a very outgoing hot young girl.
3) A petname used to/for a girlfriend, a crush, or a flirt.
"Missy is awesome!"
"Hey Missy, can I take ya out tonight?"
"Good god Missy, you're looking gorgeous tonight!"
Missy: "I'm ready! Got my spf 90 on, I'm wearing blue and orange, and my mommy thinks I'm "SPECIAL." ...
(she stops and does a cartwheel randomly, all while not spilling a single drop of Coor's light!).
Crowd: "Astounding!" (much applause).
Guy: yeah im too scared to ask her out though
Girl: just do it. She likes you dude.
Guy: *dies of excitement*