big deal
noun Slang.
an important or impressive person or thing: to make a big deal out of nothing; I hear he's a big deal on Wall Street now.
(used ironically as an interjection to indicate that one considers something to be unimportant or unimpressive): So you're the mayor's cousin—big deal!
Origin of big deal
First recorded in 1945–50
Words nearby big deal
big chief,
big crunch,
big d,
big daddy,
big data,
big deal,
big diomede,
big dipper,
big enchilada,
big end,
big fish
British Dictionary definitions for big deal
big deal
interjection
slang
an exclamation of scorn, derision, etc, used esp to belittle a claim or offer
Idioms and Phrases with big deal
big deal
A matter of great interest or importance, as in Performing in Symphony Hall is a big deal for everyone in the chorus. [c. 1940] Also see under make a federal case out of.
So what? Who cares? For example, So you got the job after all—well, big deal! This use of the phrase as an ironic interjection dates from approximately the same time.