The name of the shipping couple between Twilight Sparkle and Rainbow Dash from My Little Pony:FIM. It is the favorite of most people and is one of the most common and cutest. usually paired with RariJack in FanFics.
The Flying High, Falling Hard FanFic, the Cloud Nine FanFic, and the Building Bridges FanFic. These are all TwiDash FanFics.
To be completley obsessed with the Twilight franshise. The obsession will cause one to only think about the movies, having it control ones every thought. This condition will result in one not even caring about anything else but news containing anything Twilight.
A twilah is a person who always cares about others. Twilah is really pretty and she attracts a lot of guys. Also can cheer you up if you are feeling down. Is awesome at gymnastics and can do just about anything that it wants to.