n. Informal 1. A coupon offering two items, especially tickets for a play, for the price of one.
2. An offer or arrangement in which a single expense or amount of effort produces two returns: Going to a wedding in New Orleans during Mardi Gras was a twofer.
3. a. A person or thing that has two desirable attributes normally present singly.
b. Offensive One who belongs to two distinct demographic groups and can be counted, as by an employer, as part of two quotas.