blowing up, flaring (up), flipping (out)(slang)
angering, fulminating, raging, ranting, raving, snapping, snarling, sputtering, storming, teeing off, venting, vituperatingbristling, burning, foaming, fuming, glaring, glowering, seething, sizzling, smoldering(or smouldering), steaming, warmingbursting, exploding, flaring (out), flashing, inflaming(also enflaming), maddening
blowing a gasket, blowing one's cool, blowing one's stack, blowing one's top, flying off the handle, forgetting oneself, going ballistic, having a fit, hitting the ceiling, hitting the roof, losing one's cool, losing one's temper