Is arrogance a turn on or turn off?

Do you find arrogance to be attractive or off putting?

There's this dude I had in one of my classes this whole semester and it wasn't until this week(the last week) that he begins showing interest. But he's super arrogant about himself to the point where it's a turnoff, even though he's SO sexy.
Is arrogance a turn on or turn off?
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