when a person catches this 1 in 7 billion disease they are no longer able to sing a song or say a quote with out adding the words ‘bum’, ‘bummy’ or any other form of the word ‘bum’.
karen: “thank you, bum, thank you, bum!”

steven: “karen stay away from me! i might catch your bummy disease!”
by big keelungus January 19, 2019
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when one cannot sing any song without including 'bum' or 'bummy' in a sentence they sing. it was made by me and my cousin.
"woaaah, woahh, i need a bum romance." - Keela

"dude, you got bummy disease?"
by immemoriess January 19, 2019
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