I've been kind of curious as to how long the human penis can get? I know the average is 6, but the whole penis is much longer, right?
How Big Can It Get?
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Yes, it goes some distance into the body - I don't know just how far. The amount outside, on average, is less than 6", though.
The record in the medical literature is 14" (for the part outside the body), but that's old and the medical literature doesn't record records like this any more.