Something that has been left in the toaster, such as a bagel, poptart, or (especially) toast. It was cooked, likely for the intent of eating, but was neglected for days for whatever reason. This is usually performed by siblings who have plenty of time to eat it, or parents, who keep their coffee in the microwave for days without drinking it. This could technically be considered toasterbread too.
Hey, who's toast is this? It's getting cold, dont you want it? (one week later) Nobody ate the toast... now it's toasterbread. -_-
by Toast... January 05, 2006