That feeling when you're higher than Seth Rogan on 4/20 and your girl is riding you and you can only dead fish on the bed because your dick feels like it's a stick of butter that was microwaved for 10-15 seconds
butt-'er-dick. The transvestite equivalent to "Butterface" A quick and humorous save upon accidentallychecking out a cross-dresser, believing that he is a she.
Usually used as an act of revenge. Butter Dicking somebody includes rubbing a stick of butter on your member, then rubbing your buttery member on the person (or something the person owns).
guy #1: "Theres something slimy on my car door handle"
guy #2: "Uh-oh, theres a note on your windshield that says 'You've been Butterdicked!'"
guy #1: "FML"
I finally went out with that hot footballer. Great body but his dick is 3 inches long and there's a mole that looks like an eye... He's a total butterdick.