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.
A medical quack (one who pretends to have medical expertise; a charlatan). The treatment of disease by vapors or gases, as by inhalation. A physician practicing bariatrics, the field of medicine concerned with weight loss. Surgery on the stomach and/or intestines to help a person with extreme obesity lose weight.