A straddle is any set of offsetting positions on personal property. One example, is a put and call option on the same number of shares of a particular security, with the same exercise price and expiration date.
Definition of flack for English Language Learners. : a person whose job is to make people like or be interested in someone or something.
flier-an advertisement (usually printed on a page or in a leaflet) intended for wide distribution; he mailed the circular to all subscribers. broadsheet, broadside, circular, flyer, handbill, throwaway, bill.