also: オレんち · オレンチ
noun
my house; my place
Very casual, masculine abbreviation of おれのうち. Used mainly by young men in informal speech.
今日、俺んちでゲームしない?
Wanna play games at my place today?
俺んち、駅からちょっと遠いんだよね。
My house is a bit far from the station.
Contraction of おれのうち (ore no uchi), literally 'my house'. The の (no) is reduced to ん (n), a common colloquial contraction.