The person who says unfunny jokes and thinks he/she looks cool even though there clothes look like Kmart rejects. i.e. His jokes were so bad and he was dressed so bad that it made him adorkable.
A mixture of the words adorn and adorable, this word can be used to describe something a person is wearing, or anything of your choice. It could be equivalent to saying "That's cute!" or "That's amazing!".
Sarah: Hey, Trish.
Trish: Hey!
Sarah: O-M-G, your hair looks so adornable!
Trish: Really, I did it myself!
Sarah: It is.
Trish: Well, that shirt is just adornable too!