The process of pulling down your pants on the side of a road and hopping across on your ass
Yo dawg, wanna go muffinhopping today and fuck up traffic?
by the muffinhopper March 10, 2011
when a morbedly obesed woman or man wears too tight of clothes and her or his lower back fat buldges out of there pants.
damn that girl is big as hell, Her back be muffin hopping.
by michele derek February 22, 2008