An auxiliary verb (colloquial/regional) equivalent to '-te iru', indicating continuous or progressive aspect (e.g. '遊んどる' = 'playing / is playing').
子どもが公園で遊んどるから、しばらく帰れないよ。
The children are playing in the park, so we can't go home for a while.
今、彼はまだ寝とる。起こさないでくれ。
He's still sleeping now. Please don't wake him.
店の前に誰もおらんと思ったら、店主が店番しとった。
I thought nobody was in front of the shop, but the owner was minding the store.