After taking a massive shit and wiping, Poo Bum is the last bit of shit that won't go away. Usually noticed after getting up and walking around for a while leaving your ass cheeks moist. Cured with a Wipe Down
Oh man, my Poo Bum
left a shit stain in my boxers.
Do you have a little Poo Bum Robby?
Poobum is a word used often to insult violently and to cause major psycological damage.
U iz a poobum. Get lost waseman
A way to express the annoyance of something going wrong. Usually used as a polite way of letting out frustration without swearing.
Vincent: Aww man! I shot Marvin in the face!
Jules: Poo bums!
A name of endearment.
What a poobum!
Well hello my little poobum:)
a anus which has not been fully wiped after having a poo
when i was in the woods, i had no toilet paper so i developed a serious case of poobum.
A bum which smells of poo!
Abra's got a smelly poo-bum! =]