When a Female's dress/top/pants fails to cover their bum fully and the bottom of the bum cheeks are on show. They are said to be displaying 'Effige'
(!)Note: Only Used when Female is bare leg i.e no tights, Jeans etc.
Pronounced - 'Ef-idge'
Steve: Did you see Sarah's friend in the blue dress last night?
Sam: Yeah, The amount of Effige she was showing, Damn!
Steve: Don't look now but there's a fat chick with far to much effige on show.
Sam: Where? OH GOD!!!!
booty ass legs female dresses butt bum