As to the Elvis reference to Shake, Rattle and Roll, written by Charles Calhoun, the lyric mentioned goes "like a one-eyed cat peeping in a seafood store." I guess if you try hard, you can see that as dirty.
Elvis cut one unreleased studio version in the fifties of that song that had this alternate lyric:
Well, you wear low dresses, the sun comes shining through
I can't believe my eyes all that mess belongs to you
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