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A bun shaped object that you can consequentially have sexual relations with, producing fun.
Me: OMG!!1! I wrapped eggcrate foam around my latex glove and made a fun bun!

You: How Fun! Let me try!@!
by shitckae66969 December 04, 2008
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2
a word used to describe a womans ass. mostly used by men at a bar over the age of 40.
"hey there,I was watching you shake your funbuns from across the room."
by Ianrob616 February 26, 2008
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3
A woman or man used for sexual purposes only
Man, I need to get some fun buns going this weekend. I haven't been laid in weeks.
by Monsignor O'Shea October 05, 2006
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4
funbun, which meant "for us niggas by us niggas", but now it has changed to fubu, which is just "for us by us"
person 1: "yo dawg i just copped some funbun pants"
person 2: "wtf are funbun pants"
person 1: "i meant fubu, my fault, they used to be funbun back in the day"
by thedawghouse April 22, 2006
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5
funbun has originated from south florida prisons it means homosexual. It is often used when reffering to a punk in prison.
Why you got them tight pants on nigga you look like a matha fuckin funbun.
by cowbeezzy baby August 15, 2009
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6
Grown-up person who enjoys the small waves the the wave machine creates, in a sense staying at the shallow end.
Check out her! Fun Buns!
by Martin Reynolds May 24, 2005
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7
How the woman of your dreams arranges her hair before she is about about to give you the blowjob of a lifetime!
I was like pounding my fists on the bed yelling "Fun Bun, Fun Bun, Fun Bun", until she eagerly came out of the bathroom with a Fun Bun I could really grab on to!
by Mjamd November 20, 2017
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