flip one's lid
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:
{blow up}, {throw a fit}, {hit the roof}, {hit the
ceiling}, {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}]