see penis cock and all variations of

a vestigial appendage is generally a part of the body that is not needed. ie something left over from evolution like an appendix. It is also defined as the male penis. see vestigial
All cocks r vestigial appendages!
by michelle L. May 1, 2006
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This is a sly reference to and synonym for the penis or cock. For males adding the penis to the 10 fingers and 10 toes makes 21 appendages. Use this if you want to sound intelligent or don't want stupid or younger people to know what you are talking about.
I'm in the process of writing an epic poem about the love between me and my twenty-first appendage.
by Kyle Bravlavski AKA Jewboy December 23, 2010
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The understanding that any creature of four legs or less may be considered fairly benign, while any with more than that are creepy and terror inducing.
The “Law of Appendages” explains why people might dislike rats but they are terrified of spiders.
by WilyArmadilla February 7, 2021
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Also known as throat, including the vocal chords of the person you're referring to
"Karen, for just one second, shut your cock-sucking appendage: I can't hear myself think!"
by Francecco May 15, 2019
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