A diaper filled with both yellow and blue shit. The diaper is then kept and preserved for years by the "shitter" for the purpose of building a long lasting relationship with the aforementioned diaper. A comparable relationship would be that of Tom Hanks to Wilson in the movie Cast Away.
Yo man... I have this friend who shat coloured shit in a diaper and kept it... he named that thing Seymore.
by salamisam September 6, 2011
Get the Seymoremug. A Pool Party at Seymore's
by Mari Possa July 1, 2003
Get the Seymore Buttsmug. The most juvenile and boring of all the "when you say this name semi-fast it kinda sounds dirty... I Know!! let's prank call someone!!" jokes. Most likely the first one you learned.
by Bart S. May 7, 2003
Get the Seymore Buttsmug. by Neoxin February 21, 2011
Get the Jane seymore buttsmug. by Jaysbitch May 31, 2013
Get the Wet Seymoremug. just like mike hunt and mike oxlong this is a joke name ment to sound like "see more dicks" you can now use this in kahoot.
by outtheox July 22, 2023
Get the seymore dicksmug. by Crystal666 December 4, 2010
Get the Phillip Seymore Catmug.