Unpredictable, erratic or fickle; mercurial.
To overlay with quicksilver.
To treat with quicksilver.
The metal mercury.
An amalgam of mercury and tin applied to the backs of mirrors, quicksilvering.
Changeable or inconstant.
Having varied uses or many functions.
Capable of doing many things competently.
Being a switch; capable of taking either a dominant or a submissive role.
Capable of taking either a penetrative (top) or receptive (bottom) role in anal sex.
Capable of moving freely in all directions.