Chromonkle 

1. Someone who doesn't get the joke.
2. The last person to laugh at a joke that obviously went over there head.

Hey I told Herb the aristocrats joke, and he laughed at the end. What a chromonkle.

Chromonkle by Elisuperfly August 6, 2008

Chromonome 

Chromosome but retarded

Alex only has one chromonome left as shown by his inability to form coherent sentences

Chromonome by Kiana S December 9, 2019