发飚 is informal/colloquial —
飚 (variant of
飙, 'whirlwind / hurricane gust') captures a sudden eruption of anger. Often written
发飙 in standard form;
发飚 is a common variant. For 'go fast / speed' use
飙车 (race a car). Distinct from
发火 (anger) by intensity —
发飚 is more explosive and short-fused.