Definitions by Ian Robbingue

A mumble fumble 

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...

A mumble fumble by Ian Robbingue April 27, 2008