When someone at the gym drops a load of weights suddenly, usually in a machine, causing a deafening sound to occur. A common phenomenon and most people try to act like they are not bothered.
I don't know if that guy is trying really hard or just being annoying because that was some serious gym thunder.
by Bonzai_ February 7, 2015
Get the Gym Thundermug. Where you line up a cannon and fire a cannon ball while a women called trinity, spreads her legs wide open;decimating her and making England lose the world cup.
by KingKrabKok July 11, 2018
Get the Thunder Bustermug. by i'm such a chad January 18, 2021
Get the Thunder clitmug. 2 or more males are only wearing socks. They shuffle their socks on the carpet and touch their erect penises to create a static shock between the tips.
by Blueish-Yellow Mario July 21, 2023
Get the Thunder Dockingmug. Slavic Thunder is a very hard cough or sneeze - originally caused by tuberculosis, however it can be used to represent a very bad cough.
by Linden2K May 25, 2018
Get the Slavic Thundermug. Sara: “How was sleeping with Jacob last night “
Jessica: “Amazing! He went retard thunder on me! It felt amazing!”
Jessica: “Amazing! He went retard thunder on me! It felt amazing!”
by Jesus Chris December 5, 2017
Get the Retard thundermug. The act of vigorous masturbation, but only when it is so violent that anyone who hears it, assumes they are hearing rumpy-pumpy.
by JBizzle89 November 12, 2012
Get the Thunder-pumpingmug.