boggle (one's)/the mind(redirected from boggle their minds)
boggle (one's)/the mind
To thoroughly overwhelm, confuse, or surprise one. The show of support from everyone just boggled my mind. The plot of that move totally boggled my mind—did you understand it?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
boggle someone's mind
to confuse someone; to overwhelm someone; to blow someone's mind. The immense size of the house boggles my mind. She said that his arrogance boggled her mind.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
boggle the mind
Bewilder or astonish with complexity, novelty, or the like, as in The very magnitude of the Milky Way boggles the mind. The source of this usage is unclear, as the verb to boggle has several other seemingly unrelated meanings-to shy away, to hesitate, to bungle. [Second half of 1900s]
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.