Generally used to imply that the one to whom it is adressed is being a dork, but that this only serves to make them more adorable.
Hahaha you crazy thing. You know what you are? You're adorkable.
2. Dorky yet strangly adorable.
3. An uncommon occurance where a nerd develops either good looks or a sense of confidence that makes girls (and some guys) swoon over their presence.
4. An emo boy who uses the brainy look as a sense of style but does so in an attractive way.
Best friend to girl: are you serious? hes a total nerd!
Girl to best friend: hes adorable.
Best friend to girl: you mean aDORKable.
Girl to best friend: *sighs* yeah i do... but thats what makes him so great.