A small creature that crawls into your anal cavity and proceeds to create muffins at his leisure. Mind you, these are no ordinary muffins. Once created, there is only one way for the muffins to exit your rear.
by Jon November 28, 2003
Get the assmuffinmug. guy 1: do you think shes hot?
guy 2: uhh, she gotta donk i guess.
guy 3: yeah she's a total assmuffin.
guy 2: uhh, she gotta donk i guess.
guy 3: yeah she's a total assmuffin.
by smellymellyhasabelly December 18, 2010
Get the assmuffinmug. by Jon Himself March 26, 2003
Get the assmuffinmug. 