Top definition
–noun
1. an epic Halo 3 gamertag.
2. when you get diarrhea, dont wipe fully, and get some on your boxers/underwear.

–verb (used with object)
3. to show great excitement when greeting someone.
4. a phrase yelled by a select few, to show excitement after a long time apart.
5. a word shared with friends, to relive old memmories.
1.

G: Man I just got sniped in the head by...POOPIEBUM?!!!
K: LMAO POOPIEBUM!!

2.

(Arives at destination and steps out of car)
G:(To K)Hey, long time no see!!
K:POOPIEBUM!!!
G:POOPIEBUMM!!!!
G and K:ROFLAMINGO!!!!

3.

G: Man I just took the most watery shit ever! Its like i wiped with china paper!
K: You have poopiebum dont you.
G: >_< ..... Yes
by Lt Spankmonkey April 27, 2009
Get the mug
Get a Poopiebum mug for your coworker Riley.