A mouth that can comfortable hold two dicks. Also called a 'TDM.'
Dude1: "Carly Simon has a TDM."

Dude2: "A what?"

Dude1: "A TDM - you know,a Two Dick Mouth."

Dude2: "Oh yeah, totally. I wonder if James Taylor ever tested it with a buddy."
by Coosey Junt December 13, 2013
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