A penis. Specifically one of exceptional girth and a rumpled foreskin.
Often resembling a flesh colored caterpillar.
Sorry, Pat's mum isn't available right now- she's playing the flesh caterpillar.

I was taking a leak at a public urinal, and when I glanced down I noticed the man next to me had a giant flesh caterpillar.
by SpaceAsstronaut November 25, 2019
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