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1. To fall from something in small bits or pieces. Ugh, look at all the glitter that flaked off my birthday cards.
2. To cause something to fall from something else in small bits or pieces. In this usage, a noun or pronoun is usually used between "flake" and "off." Hey, stop touching the wall—you're flaking the paint off it!
3. slang To ignore a planned event or responsibility, often to do something frivolous instead. I flaked off class this afternoon and went to the mall instead.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
flake off (of) something
[for bits of something] to break away from the whole, perhaps under pressure or because of damage. (Of is usually retained before pronouns.) Little bits of marble began to flake off the marble steps. Bits flaked off from the whole.
flake something off of somethingand flake something off
to make bits or flakes break off from the whole. The sculptor flaked bits of stone off the block, but you could not yet see what the block was going to become. She flaked off a little more.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
1. To break away from a surface in small, flat pieces: Rust is flaking off of the old pipes. Paint chips are flaking off from the ceiling.
2. Slang To fail to do something out of lack of interest; blow something off: Last night I flaked off doing the dishes because I was tired.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.