The act of tossing a bagel through the air to a bitch, because bitches love bagels. (In some cases bagels are synonyms for stacks of money, as bagels are made of dough)
Historically, it was when one literally threw a fish on a lady in which he is interested in. In modern times, it has been known as flopping ones penis on a lady in which he was interested in hoping for sexual recipricosity.