Not!

not

An interjection negating the statement one has just made and thus rendering it sarcastic. Oh, yeah, I love getting a ton of homework on my birthday weekend. Not!

Farlex Dictionary of Idioms.

Not!

interj. Not really so! (A tag phrase added to the end of a statement, changing it from affirmative to negative. There is usually a pause before Not!, which is said on a level pitch somewhat higher than the sentence that comes before.) Of course I’m going to pay $100 a ticket to see a rock concert. Not!

McGraw-Hill's Dictionary of American Slang and Colloquial Expressions

not!

See i don't think so.

The Dictionary of Clichés by Christine Ammer

See also:

not
not (oneself)
Ooh, get you!
my bloody oath
bloody oath
oath
bonus
Bonus!
oh really
Oh, yeah?

References in classic literature

Fair mirror and true- thou liest not! Thou hast no end to gain -- no heart to break -- Castiglione lied who said he loved -- Thou true -- he false!

Thou heardst it not! -- Baldazaar, speak no more To me, Politian, of thy camps and courts.

Poems

词组	Not!
释义	Not! not An interjection negating the statement one has just made and thus rendering it sarcastic. Oh, yeah, I love getting a ton of homework on my birthday weekend. Not! Farlex Dictionary of Idioms. Not! interj. Not really so! (A tag phrase added to the end of a statement, changing it from affirmative to negative. There is usually a pause before Not!, which is said on a level pitch somewhat higher than the sentence that comes before.) Of course I’m going to pay $100 a ticket to see a rock concert. Not! McGraw-Hill's Dictionary of American Slang and Colloquial Expressions not! See i don't think so. The Dictionary of Clichés by Christine Ammer See also: not not (oneself) Ooh, get you! my bloody oath bloody oath oath bonus Bonus! oh really Oh, yeah? References in classic literature Fair mirror and true- thou liest not! Thou hast no end to gain -- no heart to break -- Castiglione lied who said he loved -- Thou true -- he false! Thou heardst it not! -- Baldazaar, speak no more To me, Politian, of thy camps and courts. Poems
随便看	someone's bread and butter someone's day in court someone's days are numbered someone's ears are burning someone's ears are flapping (someone's) ears are flapping someone's eyes are bigger than their belly someone's face fits someone's hands are clean someone's lips are sealed someone's main squeeze someone's name is mud (someone's) native soil someone's number is up someone's one and only someone's only got one pair of hands (someone's or something's) days are numbered (someone's or something's) time has come someone's partner in crime (someone's) point is well taken (someone's) secret is safe with (one) someone's star is rising someone's sun is set (someone's) take on (something) (someone) started it