1. A compound word containing the words "ass" and "dick." When put together, it means to be the ultamite form of an idiot, jerk off, or jack ass.
2. It can also be used as an expression of excitement.
3. More commonly, it is randomly screamed out to make people look.
1. "Wow I can't believe he was going out with five other girls," said Sydney to Felicia. "He is such an assdick!"
2. "Assdick!" I yelled as the kid knocked my glass over.