1 definition by SCOONLAN

Top Definition
The act of perfroming oral or mutual masterbation of the digits to a female whilst she is operating a motor vehicle.
"Dude we took a road trip last weekend and I went muff-driving in 14 different states! Buiiiiiii."

"Susan, Im super worried my parents will find out Jake was muff-driving me when I hit that tree on 7th Ave last week..."

"We just met, and this is crazy, but I'm gonna muff-drive the shit out of you."
#roadhead #driving #road head #muff #girls #oral #fingering
by SCOONLAN August 19, 2012
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