Top Definition
An archaic term for the element mercury - a heavy silver-white poisonous metallic element that is liquid at ordinary temperatures and is used especially in scientific instruments.
Check what the temperature is with this old quicksilver thermometer.
by Aaron Brown January 29, 2005
11 more definitions
A game that features a bunch of dudes jerking off around a pizza. The last guy to squirt his manjuices has to eat the pizza.
"Bruce and Lance came over to play quicksilver with the boys from the club and now I have an upset stomach"
by crashngdog May 11, 2006
A character from a famous cartoon. You can refer this word to something very fast.
He was like Quicksilver when he ran down the mountain.
by Choonmann Sung January 08, 2005
The code name of a mutant - Pietro Maximoff - from the X-Men Comic Books and TV Shows. Mutant power of super speed.

The sexiest cartoon character alive.
Quicksilver first appeared in the Evo episode "Speed & Spyke".
by Flower April 17, 2004
Basically Roxy for guys :D
"Hey Kyle what brand is your jacket?"
..."oh...roxy for guys"
by tbear654 April 30, 2007
The codename for the mutant Pietro Maximoff, who possesses the power of super speed. (From X-men) He is known for being cocky and arrogent about his abilities, and is the most awesome cartoon character in existance.
Quicksilver ran to the store to buy a box of ramen noodles.
by Nuku May 26, 2004
Code name for the second generation Power Macintosh G4 case design.
I have a dual 800 quicksilver that's starting to feel slow.
by Chris Tipton-King July 18, 2005

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