To be incredibly exhausted and tired, to the point of deliriousness. Often implies the exhibition of strange behaviours (weird verbalisations and lack of coordination) due to exhaustion.
Originated from a mispronounciation of drowsy (possibly due to exhaustion): dwousy.... Dwizzy
Often abbreviated "dwix"; an individual who is not easily categorized into a social group. Often quite nerdy, may be tall and gangly. May be socially awkward or have strange hobbies such as board games and fantastical card games. Characteristics of hipster may also be present.
Sarah's brother is such a dwixelmeizer, he is gangly as fuck and always wears chinos and plaid.