When a woman has a fat lower and upper massive pussy area
Damn, that girl has a big flumpa.
by Mactastic99 March 3, 2020
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A phrase referring to sex especially when one or both of the participants have large quantities of body fat. This can be derogatory, but is typically meant to be and taken as a joke.
Did you hear? Donna and Steve did the flumpa-lumpa last night!
by sherlockianintheTARDIS December 9, 2014
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