Noun; a disorder where you are only with your guy/girl because he/she fucks so good.

In fact, you actually can't stand him/her, but the sex is just too superb to pass up.
"Yo, that bitch is fucking crazy, why are you still with her?"

"I can't help it, man, I got a case of the buckcherries."

"Oh, okay."
by stellarstar August 6, 2008
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Used to describe girls who probably aren't all there but are really good at sex. Usually preceded by the word "fails" or "passes".
See that one over there in the New Age section wearing that tight skirt and tinfoil hat? I bet she passes Buckcherry's Law.
by Gimmickless January 11, 2008
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