Adj. Word used to describe a situation caused by an individual who was once tite; however, due to unfortunate circumstances, and a Visitation girl, the person is totally consumed by the girl and completely ditches his friends all the time. Thus, the situation is Dewey'd.
Person 1: Yo, my man is gunna chill with us tonight and it's gunna be so fun.
Person 2: Nah, he's with some bitch now and is gunna ditch us.
Person 1: Ah man, we got Dewey'd again.