the inferior "earpiece" on your headphone set. for songs that use surround sound, where some sounds are only in one earphone but not the other. there is always one earphone that gets all the sounds, this is the superior earphone, the other earphone only gets some of the sounds. this is the bitch earphone.

it is vitally important when listening to an ipod/walkman etc with only 1 earphone in, that you dont put in the "bitch earphone"
hey this version of bohemian rhapsody is balls. oh damn it! i was using the bitch earphone!
by jonobello January 30, 2006
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Where someone bitches about the quality, and/or lack of bass with the earphones supplied as standard with the apple ipods.
Ross: Ugh, these apple earphones are wank. So little bass.

Julian: Geezus, calm down and stop apple earphone bitching.

Ross: Whore
by Ross McPwn October 15, 2011
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