term of endearment between males and females. implying that the two have some form of attraction between them. 'boopsie' isnt to be confused with the term 'boosie',which means the polar opposite of boo(p)sie. what the other definitions above describe is boosie(weak men and woman) but boopsie is about attraction, ie; betty boop.
A guy who is a womans' toy fool, he give anything she wants and receives nothing from her.
Boopsie Johnny gives Shelly his money every week and in return he gets nothing not even love, whereas Shelly uses the money on her peronal uses carrying other men on cruise, club and they have sex with her for nothing.