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.
flit (plural flits) 1  A fluttering or darting movement. ( 2 physics) A particular, unexpected, short lived change of state. My computer just had a flit. ( 3 slang) A homosexual.