Definition of "toaster"

[T]he tumult of the thousand different cries of the eager dealers, all shouting at the top of their voices, at one and the same time, is almost bewildering. […] "Come and look at 'em! here's toasters!" bellows one with a Yarmouth bloater stuck on a toasting-fork.

1851, Henry Mayhew, “The London Street Markets on a Saturday Night”, in London Labour and the London Poor; […], volume I (The London Street-folk. Book the First.), London: [George Woodfall], page 9, column 2

The renegade, you been afraid I penetrate pop culture / Bring 'em a lot closer to the block where they pop toasters

2001, “Renegade”, in The Blueprint, performed by Jay-Z ft. Eminem

This attitude, and the sight of the blade which glistened by moonlight in his face, checked in some sort, the ardour of his assailant, who desired he would lay aside his toaster, and take a bout with him at equal arms.

1751, [Tobias] Smollett, chapter 27, in The Adventures of Peregrine Pickle […], volume I, London: Harrison and Co., […]

For most older computers (pre-486 and even some 486s), it's simply easier to throw them away and start over (and cheaper, too). I know; this probably goes against the grain; after all, you hung onto that old toaster for three years, and now it makes a darn good doorstop.

2000, Jennifer Fulton, The Complete Idiot's Guide to Upgrading and Repairing PCs, Alpha Books, page 15

On the technical side, we had only the old “toaster” Macintosh computers as our environment (only black and white and 512 by 480 screen resolution) and a variety of IBM PCs or equivalents.

2005, Clark N. Quinn, Engaging Learning: Designing e-Learning Simulation Games, John Wiley & Sons, page 65

The Freedom Toaster was developed with backing from Mark Shuttleworth as a vending-machine-style dispenser of free digital products, including Ubuntu Linux.

2008, Michael Jang, Ubuntu Certified Professional Study Guide, McGraw Hill Professional, page 9