The term 'NOT ON YOUR TINTYPE!' is a phrase used to express disbelief or surprise. It is a variation of the more commonly known phrase 'not on your LIFE!', which is used to express refusal or denial. The crossword solutions for this phrase are TINTYPE (7 letters) and LIFE (4 letters). TINTYPE is a type of photograph that was popular in the 19th century, produced by creating a direct positive on a thin sheet of metal coated with a dark lacquer or enamel and used as a print.