In your ear stretching/gauging process, it is that ONE EAR. it's the one that is more difficult to stretch, takes longer to heal, and just doesn't look as good as the other ear, and you experience much more discomfort with it. it's a total bitch because it just won't cooperate with you. therefore, it is known as The Bitch Ear.
guy#1 "dude ! my left ear hurt more than the right ear when i stretched it last night."
When someone has both of their ears pierced and perhaps stretched as well, one of the ears will be a total cock and keep getting infected, hurting, looking gross, and generally be an annoyance while the other ear will behave itself and heal properly.
So named because not only is the bitch ear being a bitch, it also hurts like a bitch.
"What's wrong with your left ear? It's all swollen!"
"Yeah, that's my bitch ear."
I just had my ears pierced, one healed up, fine but my bitch ear still hurts like a bitch!
A medical condition formally known as "Auris Bitcheas." This malady strikes tens of thousands of American males every year, and is caused by the unholy sonic reverberations of the upper registers of the female voice on a cell phone.
Auris Bitcheas is particularly dangerous in a dating relationship, as the male ear is subjected to hundreds of hours of continuous whining by his girlfriend via cell phone.
"Hey man, could you turn the TV down? I have MAJOR bitch ear from talking to my gf last night."