by ';ljm';jm';j';j';k' September 2, 2015
A rock-like turd, or hag-stone which, loosened by a massive overdose of laxatives and/or suppositories, exits the bowel at great speed, accompanied by copious, deafening flatulence.
I need to get the plumber in. I was bunged up for DAYS so I took a handul of Sennocot, and shot out a massive thunder - egg. My arse was like a machine gun - I shattered the fucking toilet bowl.
by DOGMAD June 29, 2018
To make love to someone. Derived from the similarities between the geode-like rock called a "Thunder Egg" and male testicles.
Braniel decided that after a long third date of watching the extended cuts of the Fast and Furious franchise (as well as Hobbs and Shaw), he would ask to take Delilah back to his apartment and give her his thunder egg. It was a good night to Give someone your thunder egg.
by Lord Scottish April 16, 2021