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12.
step 1)have anal sex until the person loses control of thier bowels,
step 2) the male ejaculates and the feces and semen form a gooey rechid substance.
step 3) the male seals the female's eyes shut with this substance using his dick
step 4) he slams his penis against her forehead leaving a huge brown mooseprint
--also called the chocolate peanut butter buckeye
guy: hey man last night i gave that girl a buckeye...
friend: you're a sick motherfucker i hope you washed your dick
by fulltilt monkey August 14, 2007
 
1.
Ohio State University's nickname and mascot (brutus the buckeye). Ohio State University (OSU) is known for its great education, sports programs, and very large campus. They set the biggest rivalry game in the nation against that team up north.
Ohio State Buckeyes > Michigan Wolverines

"Dude the Buckeyes dominate Michigan!"
by Wolverine Hater September 01, 2006
 
2.
Indigenous tree of Ohio "the Buckeye State" whose nut is poisonous. Also the mascot of The Ohio State University. Is a term used for anyone attaching themselves to The Ohio State University's athletics as a fan, student or athlete.
I was born a Buckeye and I will die a Buckeye. And the way the Buckeyes have been playing, I'm gonna die a Buckeye quicker than I thought!
by Suz April 12, 2005
 
3.
A peanut butter ball covered in rich chocolate. The most amazing cookie ever invented. Also, the Ohio State mascot.
"Those buckeye(s) are amazing!"
by softballkatiie December 15, 2009
 
4.
The anal sex equivalent of a "cherry"--anal virginity.
"I've been trying to talk Kiki into giving up her buckeye for months now."

or:

"I finally popped Brad's buckeye the other night."

or:

"Every time I see a headline in the sports pages about "losing Buckeyes" I laugh my ass off."
by BuckeyeFan April 20, 2009
 
5.
the act of rubbing peanut butter all over your penis, ramming it up someone's ass, and then making them eat it.
"Jake ate the buckeye"
by MCOL12 November 23, 2009
 
6.
noun: the posterior opening of the alimentary canal. Anus.
I banged Jenny in her buckeye last night.
by H. Stern October 01, 2008
 
7.
refers to the anus, especially when used in the context of anal sex.
After Tyrone and Keisha had anal sex, she told his homies "I tapped her in the buckeye".
by YtownSenator June 13, 2004