a person who has a large crack on there face almost looking like a bum crack
that nice man in the corner has a bum bum face
by jenson Swader September 9, 2003
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when walking down the street and a random person violently thrusts their bum into you and then continues on their walk as if nothing ever happened. This ends up inferiorating the victim and continues the bum cycle.
{girl walking down hallway}

{guy eying her hungrily}

{guy thrusts bum into girl and then sandwiches her into the locker jostling her a little bit}

{guy walks away as if nothing has happened}

The girl has just been victimized by the violent bum bum. and she continues to victimize others with this vicious cycle known as the bum bum war.
by Chelsea Smith/Kristin Glancy August 14, 2008
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Means that you cant have babies in your bum bum. Firststarted by lily allen
person a: maybe you are pregnant

person b: probs not

person a: well how do you no?

person b: because no baby in the bum bum

person c: and now im guna bell slap you

darth vader: i am you bell end
by cederic December 30, 2008
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A beauty contest held in Brazil, where the women competing are judged by how sexy their butts look
I was at the Miss Bum Bum contest yesterday, I am SO GOING AGAIN NEXT YEAR!
by Metallicajunkie October 5, 2018
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a reptile in which has bum-like scales.
"I got my pet bum bum face at the store today."
by Olivier Jenson Mosquito September 6, 2003
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Only use it when you want everyone to laugh ever
I’m so bummy bum bum right now
by Luthon September 12, 2021
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