The overly annoying friend who becomes pissed off whenever your significant other is present, and for no apparent reason. The boyfriend bitcher is friends with both people in the relationship, however, is not a big fan of the relationship itself, and makes it known to both parties in obnoxious and bitchy ways.
Boyfriend Bitcher - "So Kathy, those new shoes are so blah blah blah, you're such a good friend, blah blah blah"

(significant other approaches)

Bitcher - (rolls eyes) oh. whatever

Boyfriend Bitcher - "So Steve, i love being your friend blah blah blah"

(Kathy approaches)

Bitcher - (rolls eyes) I can't deal with you two.
by Aunt Kathy August 15, 2010
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A guy\girl that betrays their gender for an increased chance at hooking up with the other gender.
John is such a bitcher fucker. He told Britteny that I listen to nickleback.
by TheJewish Hitler June 11, 2017
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Someone or something, is or was much of a bitch.
My Girlfriend is much of a 'Bitcher'.
by Ellis Males March 7, 2023
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If a group is both being bitches to each other while bickering, they can be considered to be bitchering.
The group won't stop bitchering. We have to come to a resolution here.
by the.real.captain.obvious July 18, 2020
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