A woman who chooses a to have an ongoing relationship with an affluent man rather than a broke one. Like any other relationship, sexual encounters occur; however a sugardaddy has the means to provide a better lifestyle for his significant other.
A woman has a choice to date someone who makes $40k a year or $1m a year. The man who makes the 40k is barely making bills and looks for support himself from her. However, dating the man with $1m can help financially support and mentor his sugar babe. Both men expect the same thing from the woman, but the sugar babe can choose to live a better lifestyle or not.