Colloquial — picture anger 'lighting up' like fire (光 'shine/flash' + 火 'fire'). Especially common in southern Mandarin and Wu/Cantonese-influenced speech. Standard alternatives: 发火 (fāhuǒ), 生气 (shēngqì), 发怒 (fānù).
memory
光 = light/flash + 火 = fire — anger 'flashing into flame'. The image is the same as English 'flare up'.