a friend's place
「どこにいたの?」「友達んちよ」
“Where were you?” “At a friend’s place.”
遅かったから、友達んちに泊まったんだ。
It was late, so I stayed over at my friend’s place.
彼なら友達んちに泊まるよ。
He’ll stay over at his friend’s place.
昨夜、友達んちでアスパラとハムを食べたよ。
Last night, I had asparagus and ham at my friend's place.