big dealbig deal
- Something of great importance or consequence: made a big deal out of getting there on time; losing one penny was no big deal.
- An important person: She was a big deal in local politics.
Used ironically to indicate that something is unimportant or unimpressive.
(plural big deals)
- (idiomatic, ironic) Indicates that something is not important or impressive; so what.
- He can run a mile in 15 minutes? Big deal! Some people can do it in four.