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.
noun. 1  A rattling sound: the clatter of dishes in the kitchen. 2  A loud disturbance; a racket: the clatter of the subway train. 3  Noisy talk; chatter.