"Fun on a bun in space" is a term used to describe an activity one is engaged in that is fun on a bun and also in space.
Car chases are fun on a bun, but a spaceship chase is fun on a bun in space
by ovy May 16, 2010
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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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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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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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Used to describe the last day of the working week when members of an office bring in sweet sugary buns, doughnuts, cakes and pastries for everyone else to binge on. The Starbucks Cinnamon bun is a good Fun Bun Friday staple as is the Krispy Kreme dozen donut box.
Secretary 1: Sandy, what day is it today?

Secretary 2: It's Wednesday dude...

Secretary 1: Damn...still two days left until Fun Bun Friday!

Secretary 2: Don't remind me! In fact I feel like a fun bun right now...

Secretary 1: F**k it. Let's go to Starbies!

Secretary 2: Cool...let's roll!

by lady lynxx April 09, 2009
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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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