when your pubes start to take over the shaft of your dick, making it furry like a caterpillar.
brenden told his friends about his caterpillar dick.
by 6124C3 September 27, 2009
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Hunter Mitchell Thomas forest Nicole green cox
-Oh my gosh Becky! Look at that caterpillar dick

-hunter has a caterpillar dick
by Mking October 14, 2018
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A Caterpillar Dick is a dick that is able to move like a Caterpillar. This means that the penis crawls with such elegance that it attracts all the females. It is said to be so mesmerizing that only few can recall ever seeing it.
I hooked up with my boyfriend last night and you wont believe what he had... A giant Caterpillar Dick!

Did you see Gab yesterday? He had a nice Caterpillar Dick
No way that Caterpillar kinda looks like my boyfriends dick, maybe he has a Caterpillar Dick.
by GlassCondominator October 15, 2019
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