Top Definition
This is used when referring to a sexual act in which one of the parties seems to be nervous in their performance of afore mentioned act and proceeds in mumbling apologies whilst engaged in the fumble
Pia; So did you and Tom fuck?
Laura; Well it was more of a mumble fumble than a fuck...
by Ian Robbingue April 27, 2008
5 Words related to A mumble fumble

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