Lyric discussion by tamnin 

also, i really don't think this has anything to do with "some girls are bigger than others". "Some girls" is about girls with big knockers, which is much more plausible for Morrissey to just have discovered.

Also, from a live performance of "Some girls":

on the shop floor, there's a calendar as obvious as snow as if we didn't know

which hints at porno magazines, which contains girls with... you guessed it.

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