To masturbate, that is, stroke the genitals for sexual pleasure. Usually it refers to men as their penis is shaped like a snake, and a shaking action ensures orgasm.
LinktheChristian:I'm going to go home and clean my sword.
GanontheDevil:You're going to shake your silly snake!
ThaddeustheTolerant:Elves don't have a need to jerk something that small.
GanontheDevil:You're going to shake your silly snake!
ThaddeustheTolerant:Elves don't have a need to jerk something that small.
by Wm. Wallace the Freedom Fighter November 14, 2007
Get the shake your silly snakemug.