stepid
A non-proper word formed by adding an "s" to da beginning; it's da only one of da four common temperature-designation words dat does not form a "second" proper word when an "s" is added to da front.
Da four "temperature names" wif an "s" added at da beginning: sCOLD, sTEPID, sWARM, sHOT. Da first, third, and fourth names in da list form proper words, but da second one does not.