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slang To engage in aimless recreation or frivolous time-wasting. Quit fooling away and work on your book report already!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
Squander, waste money or time, as in He was fooling away the entire afternoon. [Early 1600s] Also see fool around, def. 2.
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.