Casting an attractive actor or actress to play someone previously identified as unattractive. Named because it is the reverse of casting Rosie O' Donnell as Betty Rubble
Nicole Kidman is playing Virginia Woolf? Wow, they really pulled a Reverse Betty on that one, didn't they!
by Actual Butt July 27, 2010

when a person's upper arm has too much fat and it jiggles all around when they wave at somebody (as if an old lady was waving to Betty)
i sat next to my grandma at church and when she waved to her friend one of her hi-betties smacked me in the forehead
by kalisha August 3, 2007

a whore at a bar or club that thinks she is a betty but will not ever get taken home because she looks like she has a collection of many strains of veneral disease
by Pompous Smurf October 14, 2006

by Infinite100p July 30, 2022

Is an extremely plain woman. Her overall sense of fashion, appearance, choice of food, and mentality is boring.
I just bagged a girl named Chelsea on Tinder, but she's a basic betty-- the conversation didn't go past two messages.
by WEBSTER GATSBY January 25, 2016

A girl usually of a teenage age , that hangs out at skateparks and dresses like a skater but doesnt actually do anything but watch and giggle and genrally act like promiscuous little hussy fukker , which is good. i guess.
'' i heard jeff nailed one of those skateboard betties''
Who hasnt , that one likes fruit booters the best though .
Who hasnt , that one likes fruit booters the best though .
by D July 24, 2004
