YOU SAID:
Oh uh I kinda slept with your girlfriend
INTO JAPANESE
ああ、私はあなたのガールフレンドとちょっと寝ました
BACK INTO ENGLISH
Oh i slept a little with your girlfriend
INTO JAPANESE
ああ、私はあなたのガールフレンドと少し寝ました
BACK INTO ENGLISH
Oh i slept a little with your girlfriend
That didn't even make that much sense in English.