like fun

like fun idiom
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.

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