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4.
Defecation accompanied by loud and evil-smelling flatulence.
Stay out of the toilet for a while folks, Kevin's got thunderturds again.
by Dunky Oggins November 18, 2003
 
1.
A unique defecation situation which is characterized by the rapid release of waste from the person's bowels-due to abnormal relaxation of the intestinal muscles, a chemical inbalance in the intestines and surplus gas buildup.

Due to the rapid release of fecal matter from the bowels, the proverbial plug of this high-pressure system is removed. What ensues is a wildcat release of pressure which is manifested in the form of flatulence that is extraordinarily foul, putrid and in most cases, loud.
"Thunderturds. Because after a lightning, there's thunder."

"This is the Center for Disease Control, Johnston's got thunderturds again, quarantine the area."
by JismJuice2000 May 07, 2004
 
2.
Mozilla's idea of yet another shitty, literaly, email client.
Thunderturd, its some powerful shit!
by Habacka Habama February 17, 2009
 
3.
Nuggets that are so hard to get out, one must let out a thundurous roar to help the nuggets fly from ones ass
Damn, joe must have the thunderturds cuz he is yellin!
by THAPOOPMASTA February 16, 2004
 
5.
A type of large Ford coupe made off and on between the mid-1950's and mid 2000's
A 1994 Ford Thunderturd with cold A/C and power everything.
by boobla boobla September 12, 2009
 
6.
A shit that uses as much force as thunder, and sounds like thunder.
Jamies had a thunderturd.
by cartman5000 August 11, 2004