A boner doner is a woman or man who is sexy enough to cause a man to recieve a boner, making the woman or man a boner donor.
A: Did you see Britney the other day her hair was stunning!
B: Yes! You just know shes a boner donor.
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A used motorcycle bought cheap for the sole purpose of using its engine and/or parts on another motorcycle.
I bought an old GY6 donor bike today. Finally my 50cc engine can swapped!
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The guy you are having casual sex with.
Amanda: What did you do last night?
Melody: Oh, I stopped over at my Bone Donor's for a quickie!
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one who is so generous that they will temporarily donate their prized organ (penis) for benefit of another person.
that girl is so hot she could make me an organ donor.
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The top or pitcher in the act of fellatio.
Willie almost managed to swallow the whole load of choad, but the sperm donor made such a large deposit to the Linda Lovelace fund, that some dribbled down his chin.
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A baby that is the result of a sperm donor. For one reason or another, the mother decided to become pregnant via sperm donor and have a baby that way. Not that big of a deal because a real dad is a man who's there to raise and love his child, even if his child isn't genetically related to him.
Simon: Hey you and your dad look nothing alike
Frida: Yeah that's because he's not my real dad, I'm a donor baby.
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A person who shoots up drugs and uses the excuse 'I donated blood at Red Cross' when someone sees the track marks in their arms.
My friend kept getting questioned on his track marks so he told everyone 'I'm a blood donor. Me and my wife went and donated at Red Cross yesterday'
That guy is a big blood donor. He's always trying to get some more heroin to shoot up.
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