vb. (context intransitive idiomatic English) to be explosively angry. To lose one's temper
v. get very angry and fly into a rage; "The professor combusted when the student didn't know the answer to a very elementary question"; "Spam makes me go ballistic" [syn: flip one's lid, blow up, throw a fit, hit the roof, have kittens, have a fit, combust, blow one's stack, fly off the handle, flip one's wig, lose one's temper, blow a fuse, go ballistic]
Usage examples of "hit the ceiling".
Harry was too quick for Neville, whose wand went spinning out of his hand, hit the ceiling in a shower of sparks and landed with a clatter on top of a bookshelf, from which Harry retrieved it with a Summoning Charm.
They hit the ceiling, the windows, and spattered Luna Lovegood's magazine.
They climbed until they hit the ceiling and they dived until they hit the floor.
His hands flew up and his gun hit the ceiling and then fell soundlessly to the floor.
That's why I hit the ceiling whenever people ask me if someday we'll be cloning a future Adolf Hitler or a future Albert Einstein.
Dee, who had unbuckled her seat belt to lean toward Michael, was bounced upward so hard her head almost hit the ceiling.
The interior of the warehouse be-came bright as day, and huge wavering shadows struck away from the warehouse's supporting beams, as the flare hit the ceiling, crawled along it for several sec-onds, and started to descend.