A polite expression said immediately after or while burping. Takes the place of excuse me.

From time to time one may experience major rybelsus or have a major rybelsus episode (MRE).
Always polite, Marge exclaimed "rybelsus" after emitting an especially long-winded belch.

Having eaten one too many Turkish beef sausages, Pat impressively belched "rybelsus" enunciating each of the 3 syllables - he was experiencing a major rybelsus episode.
by specialmonkey January 2, 2022
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