Top Definition
an attractive young male entering prison. an anal virgin with tight buns who is on the verge of being penetrated.
"Hey Wilbur, check out the new bunboy."
by bradatude February 21, 2007
2 more definitions
5 Words related to bunboy
Someone who is an ass kisser, usually at the workplace. This person sucks up to the boss at all costs, snitches people out and usually receives perks for doing so.
I see the day turn bun boy is sitting around doing nothing as usual.
by pukie March 26, 2007
Homosexual who takes it in the ass. The catcher, not a pitcher.
Oh, Michael is such a bun boy. he so takes it in the ass!
by Bud E Love May 02, 2003

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