Sex position used by two males, where one male is buttfucking the other while their balls collide continuously, depicting the motion of a metronome.
Did you see that video of Jake and Tyler doing the metronome? You could literally hear their ballsacks hitting eachother!
by Hairyballsonya May 07, 2009
to bring something up from the past to maliciously bring the person down during a conversation or argument.
"remember that one time you crashed you car? huh idiot?"
"QUIT GUNNY SACKING ME THAT WAS 8 YEARS AGO!!"
"QUIT GUNNY SACKING ME THAT WAS 8 YEARS AGO!!"
by hairyballsonya April 19, 2015