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 Dutch word quacksalver, meaning boaster who applies a salve.. A closely associated German word, Quacksalber, means questionable salesperson .. In the Middle Ages the word quack meant shouting.