Used to express reluctance or disinterest in carryinng out an activity that is undesired.
Honey, could you please take out the trash?
by Ted December 02, 2003
Yo, you see that kid? He was all mumphed up
by cheebychunk March 23, 2006
mentally retarded individual
They should make the windows on short buses pepper flavored so the mumph's won't lick the glass.
by Donba March 02, 2007