extra profit earned beyond the normal level; excess profit

to accept more bookings or reservations than there are available places; to book in excess of a quota

(of a share issue) to have more demand than there are shares available; oversubscribed

the act of lending an amount of money that exceeds a specified quota or the value of the provided collateral

An option (specifically a greenshoe option) that allows underwriters to issue or sell additional shares beyond the original offering size in the event of high demand