The ZX Spectrum+ 128K got the nickname "Toastrack". The most obvious difference between a ZX Spectrum+ and a ZX Spectrum+ 128K was the cooling fin located on the right side to dissipate the heat from the 7805 voltage regulator.
However, the name did not come from the fact that the refrigerated skeleton became warm so that slices of white bread could have been toasted on it. But from the - rather common in Great Britain - toast rack called.