"Although Ribono shel olam means ‘Master of the Universe’, in Chasidic and neo-Chasidic circles, this is a colloquial way of addressing God, and indicates a personal and warm relationship." (source)
"Don't let it depress you. The Ribono shel Olam has His own ways..." (Glinert)
"Ribono shel Olam! How can they have Chanukah lights and a tree!" (Glinert)
“Reboyne Shel Oylem, just look at that rain come down!” (NJY)
“We were finishing when—Reboyne Shel Oylem, in walked their lawyer!” (NJY)
“If only she would recover, Reboyne Shel Oylem!” (NJY)