+21  A: 
Jonathan Sampson
+63  A: 
Jon Galloway
Learn something new every day...that's indeed the official name? Must be when it's referenced in the Wikipedia ;)
flq
+10  A: 

"Toast" refers to a UI feature where an event causes a small text box to appear at the bottom of the screen. The behavior seems like a piece of bread emerging from a toaster.

Bramha Ghosh
+7  A: 

It is a popup alert that generally appears on the right hand side of the screen, and is usually for notifications with great importance. There is generally a cool effect with it, such as fading or stretching.

In my question, the toast pops up and fades in.

Cyclone