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?
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.
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]