noun, na-adjective
impatient person; someone always in a rush
Kansai dialect noun/adjectival noun for a person who is habitually impatient, easily irritated by waiting, or always rushing. Often used self-deprecatingly or to tease someone.
うちの父ちゃんはいらちやから、待つのが嫌いやねん。
My dad is an impatient person, so he hates waiting.
あの人はいらちで、信号が変わる前に渡ろうとする。
That person is so impatient, they try to cross before the light changes.