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Lubb dubb originally noted as the two seperate sounds of ur heart beat however it has been utilized in the chicago area meaning expressing love or great emotion or heartbreak.
Many times popularized by chance the rapper
"The thought of maggie. Lubb dubb"
"Everytime I think of how she dumped me it makes me lubb dubb"

"That chronic wuz dope, dat shit made me lubb dubb"
"That party had dhat lubb dubb"
by milesmiles99 June 04, 2013
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