Top Definition
A sweet significant other, one you like to squeeze and kiss. Something you call your boo.
My bunbun gave me a piece of pie today <3 <3
by Wickie November 18, 2004
Another word for bunny, or bunny rabbit.
I really like that photo of your bun bun!
by bunbun_lover April 25, 2007
A horrible, distasteful girl who is nothing but a lowlife
I wouldn't touch Bunbun with a 10 foot pole because she's been around the block a few times.
by ironman69 May 11, 2009
very sweet and loving person and extremely beautiful; your sweet heart.
you're so beautiful bunbun and i love you more than anything in this world.
by Shon March 31, 2005
A main character in the webcomic "Sluggy Freelance"
He's a little white mini-lop with the attitude of a homicidal gangster. Favorite weapon is a switch-blade but also has a gun (where all this is stashed in anyones guess)
He don't take no shit and will cut you like a bitch at the drop of a hat
by Anubis January 04, 2005
KA-CLICK
see sluggy or visit sluggy.com
Time to Die, Nerd-Boy KA-CLICK
by Uncle Jim June 08, 2004
n. A switchblade-wielding mini-lop rabbit who features prominently in the webcomic Sluggy Freelance. As of 12-7-2003, Bun-bun is reluctantly serving as the Easter Bunny.
"Bun-bun: Time to die, Nerd-Boy!"
by JohnWWells December 07, 2003

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