by mcjizz March 08, 2011
a muffstash is what someone acquires from eating a girls box. not just any box... a nasty stinky one.
chris: dude it smells like vagina everywhere i go!
brennan: i dont smell a thing man
chris: i did eat that girls box lastnight
brennan: aww gross! your probably just smelling ur muffstash
brennan: i dont smell a thing man
chris: i did eat that girls box lastnight
brennan: aww gross! your probably just smelling ur muffstash
by mcjizz March 08, 2011