look up any word, like sparkle pony:
 
1.
A plug of solid or semi-solid shit which is holding back a flood of Mississippi mud in your bowels. Usually followed by the never-ending wipe.
Once I popped my mudcork, I couldn't leave the toilet for an hour.
by b1g December 01, 2007
 
2.
Alternate form of mudcork.
Once I popped my mud cork, I couldn't leave the toilet for an hour.
by b1g December 01, 2007