This is the name given to a very fat person's stomach when it hangs down low and has a crevice in the middle that resembles a bum crack.

The word is an amalgamation of "tummy" and "bum".
You don't have a dad because he got lost in your mum's bummy.
by Natasha Radical July 13, 2010
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Girls who are a hoe/whore/slut/ anything in that frame of mind. They can travel in packs of two or three. Usally in one's. They wear revealing outfits most of the time. The one's you should really watch out for are the undercover bummie's who pretend to be sugar and spice and everything nice.In truth there just another bummie.
Girl 1:

Hey where's your boyfriend?

Girl 2:

Oh, he's just out with some of his friends

Girl 1:

Careful now you don't want him out with some Bummie's down the lane
by Just saying June 28, 2008
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noun an aerial manouvre performed off a diving board involving making first contact with the water surface with the buttocks, or a single piece of buttock. The bummy results in a imposing display of man and water that onlookers will find awe inspiring and will create a sonic boom so powerful it has bee known to blast bikini tops off nearby BummyHo's.

It is also polite and acceptable to enquire after witnessing a bummy how many pairs of shorts the bummy artist was wearing before you dive in.

Not to be confused with an old man who writes books under the pseudonym 'Bummy'
"hey bro, you rockin' 4 pairs of boardies for that bummy??"
"nah man, that shit was raw"
by b-b-b-basketbawl January 4, 2010
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Bummy is a god that teaches the religion bummism. The followers are known as bums. And followers of this religion can live in two religions. Bummy is a side religion but it teaches to be nice and play geometry dash. Also no one can drink alcoholic beverages or smoke.
by MysticPhantom December 19, 2017
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Anal intercourse between two men, usually in sneaky dirty places like public toilets, parks and other dark shadowed areas.
Boss: Where is Tony and Jeff??
Employee: Off in the toilet having a bummy.

"There is absoloutly no excusing sneaking out for bummies"
by EXDIGGA September 29, 2009
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person with exceptionally cutey bum!!!
hello bummies!!!
by bumbumthefirst September 18, 2008
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A word that can be used when you're high af or another word of "you got me fucked up"
Dude I smoked the fattest bowl and now I'm bummy fucked
by OmniAPM February 25, 2021
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