僕んち

my house, my place

I, me + んち house, home
noun Rare #34,646
my house, my place Casual contraction of 僕の家 (my house); 僕んち is mainly used by males and boys.
JA: 今日、僕んちでゲームしない?
EN: Do you want to play video games at my place today?

僕んち大きいんだ

My house is pretty big.

僕んち駅の近くなんだ

My place is near the station.

僕んち昼食食べられないんだ

At my place, we can't even afford lunch.

— ニュー・シネマ・パラダイス (1988)

僕んち広くない

My place isn't very big.

僕んちに行こうよ

Let's go to my place.

phrase Rare #37,177
my place Informal contraction of 僕の家 or 僕のうち, meaning the speaker's home or house. Commonly used by male speakers, though not exclusively.
JA: 今週末、僕んちで映画を見ない?
EN: Do you want to watch a movie at my place this weekend?

メアリーんち台所僕んちリビングより広いんだ

Mary's kitchen is bigger than my living room.

今日僕んちに寄っていかない

Wanna stop by my place today?

あれが僕んちだよ

That's my place over there.