Top definition
A grumpy male with such a poor attitude, it would lead you to believe that he might just have a pile of poop sitting in his pants.
Babies are always grumpier when they have poop in their diapers... Thus a Mr. Poopy Pants
by Tet September 05, 2013
Get the Mr. Poopy Pants neck gaiter and mug.
Jun 24 Word of the Day
An exclamation made when your friends or family are teasing you to a point where you can't handle it anymore and a hissy fit is in order.

Derived from a YouTube user's famed outburst following Britney's lackluster performance at the 2007 VMA's.
Sarah: 'OMG Susan, I can't believe you are wearing the same skirt as yesterday. Oh, and by the way, EVERYONE knows what you did with Kevin on the weekend. Plus you look a little fat, are you retaining water?'

Susan: 'LEAVE BRITNEY ALONE!'
by Billy Chickenhole September 15, 2007
Get a Leave Britney Alone mug for your mother-in-law Helena.
2
Someone who is prone to untimely and sometimes painfull shit pains, from which this person cannot restrain his or her bowels and is forced to soil themselves. Sometimes more than once. This can result in total embarrassment by the subjects parents especially if he or she goes home and needs a towel to enter the house and the parent refuses to get said towel without explanation.
His brother Chris, is the infamous Mr Poopy Pants of south jersey.
by j burg February 12, 2008
Get a mr poopy pants mug for your bunkmate Yasemin.
3
mr poopy pants must be a wordilogical god.if you dont know what it means he will.
by mr poopy pants November 02, 2007
Get a mr poopy pants mug for your dog Riley.