A woman who has had four kids by four different men. Generally considered to be bit of a hoe or slut
John: That Kate still looks hot for 40. Should I take her out?
Tom: Wow mate, I'd stay well clear of her, she's a four by four.
When you do something really well or that is cunt.
Basically like you ate but the meaning is like 4+4=ate so you say four foured.
She literally four foured that shit😝
Girl you thought you four foured?