A very soft (mushy) bowel movement in which an individual wipes their anus over and over again without any great success, resulting in an itchy butt, and the use of a whole roll of toilet paper.
Dude! Why is it that you always get mush tush at my house?! You owe me some Charmin you stinky bastard!
by Lizzyloooo November 18, 2014
Get the Mush Tushmug. by Lizzyloooo August 08, 2009
Get the Fantiziliasticmug.