The female equivalent of ‘downhill skiing’. When a man can pleasure 2 women at once just using his talented tinkling digits.
Every Wednesday Pete invited Molly and Shea round for another rendition of his Dueling Pianos. After slipping off the piano stool they left happy.
by SandyBerg February 19, 2020

Used as a euphemism for bad or rotten teeth. A comparison of one's good and bad teeth to the keys of a piano.
by Baditaliansausage January 2, 2017

Being a total douchebag by abusing your powers to derail and trash a much beloved project for your own personal amusement.
by Jeff Dude February 20, 2015

When a man ejaculates onto a womans or another mans teeth. Sliding your penis across the teeth and making Piano noises is optional.
by Staff Sgt. Max Fightmaster December 9, 2008

88 kilograms of any type of drug. Derived from the song Da Rockwilder by Method Man & Redman. "You ship off ki's and we ship grand pianos."
While Carlito was busy moving kis, I was moving grand pianos.
Two weeks ago I sold a ki of cocaine, but now I have a grand piano of heroin.
Two weeks ago I sold a ki of cocaine, but now I have a grand piano of heroin.
by The One and Only Ross January 3, 2008

by JC of CA October 16, 2008

An extremely stressful process including playing scales, pieces, chords, etc. Can take anywhere from 30 minutes to 5 hours. Usually ends in sore hands and fingers and temporary insanity.
by caitlizzin August 27, 2008
