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.
The word quack derives from the archaic word quacksalver, of Dutch origin (spelled kwakzalver in contemporary Dutch), literally meaning  hawker of salve . In the Middle Ages the word quack meant shouting.uackery is the promotion of false and unproven health schemes for a profit. It is rooted in the traditions of the marketplace, with commercialism overwhelming professionalism in the marketing of alternative medicine.