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 one's cool, blowing one's stack, blowing one's top, flying into a rage, 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