hisser hiss • hissing · · · Info · Definitions · Characters · · hisser · · Text Latin · · Script 6 · · Length Definitions · · · (noun) someone who communicates disapproval by hissing. · · Noun Definition 1 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 r latin small letter r U+0072 s latin small letter s U+0073