Top Definition
A woman that has tons of back fat and wears tight shirts which gives the appearance of a caterpillar in motion. Her very presence makes the penis soft.
That new broad in HR has a caterpillar back. She makes me gag with rage and hatred, how I loathe her fat back.
by OmegaSquad January 14, 2010
5 Words related to Caterpillar Back

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