over somebody's head

over (one's) head

1. Too complicated to be understood by one or someone else. My jokes always seem to go over Stephanie's head, so I'm glad you think I'm funny at least. A lot of this technical stuff is way over my head.
2. Bypassing one's or someone else's authority. She just wouldn't listen to me, so I had to go over her head to her boss and complain about it.
3. Lingering in one's mind as a source of concern or worry. All these bills are hanging over my head, and I don't get paid for another week. I'm so glad that exam is over—it's been over my head for months.
See also: head, over

over (someone's) head

1. Describing the act of speaking to one's superior rather than talking to one directly. She just wouldn't listen to me, so I had to go over her head to her boss and complain about it.
2. Not understood by one because it is too complex or subtle for their comprehension. My jokes always seem to go over Stephanie's head, so I'm glad you think I'm funny at least.
See also: head, over

above/over somebody’s ˈhead

too difficult for somebody to understand: It was clear from the expression on his face that the lecture went completely over his head.
See also: above, head, over

over somebody’s ˈhead

to a higher position of authority than somebody: He gets angry when you go over his head and talk to his boss.
See also: head, over