A phrase used to convey one's impassioned denial or refusal of something. Primarily heard in US. A: "I don't care what you say, Mom—I'm going to that party!" B: "Like fun you are!" A: "He says he's got five years' experience in marketing." B: "Like fun he has—he was a telemarketer for five years!"
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
Not really, certainly not. For example, She said she'd been skiing for years-like fun she had! or Do I want to eat raw oysters-like fun I do. This expression originated in the early 1800s with a quite different meaning, "energetically" or "vigorously," a sense now obsolete. Its present sense dates from the 1900s. Also see for fun.
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
like fun1 vigorously or quickly. dated British 2 an ironic exclamation of contradiction or disbelief in response to a statement. dated, chiefly North American
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