Top definition
When an individual, who, already in possession of a single phallus, be it real or artificial, dons a second phallus in order to have penetrative sex with both phalli at the same time.
Baby, fancy a Double-Mixer? I've got a strap on! (to be pronounced in a sing-song voice)

Hey ladies, fancy a Double-Mixer? I've got a strap on! (to be pronounced in a sing-song voice)
by Bigsby Hornsworth June 13, 2010
Get the mug
Get a Double-Mixer mug for your bunkmate Trump.