Definition of "eighty-eight"

Number between eighty-seven and eighty-nine; decimal 88  examples

An abbreviation for 'Hugs and kisses' in amateur radio. Used especially in Morse code.  examples

(slang) A piano (from the number of keys)

A butterfly of the genera Callicore, Perisama, or Diaethria, some of which have a pattern on their wings similar to the digits "88".  examples