boggle mind

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?
See also: boggle, mind

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.
See also: boggle, mind