Top Definition
Two penis' that are not compatible aren't able to perform the sexual act of docking. Originated at UCSB and is slowly gaining popularity around the world.
ex.1 Corey and Danny were both circumsized. They're penis' were incomdockable.

ex.2 Jenna: I heard you two dock

Nick: No, we are incomdockable eghhhghh

ex.3 Eric and Les were heartbroken when they found out they were incomdockable. Instead they spent all night soaking inside of eachother for hours.
by Sir Docksalot March 14, 2010

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