Swedish edit

Etymology edit

From Old Swedish flædhermus. Equivalent to fladder (fluttering) +‎ mus (mouse). Slang sense influenced by pussy sense of mus – "flutter-pussy."

Noun edit

fladdermus c

  1. a bat; a nocturnal flying mammal
  2. (slang) a promiscuous woman

Declension edit

Declension of fladdermus 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative fladdermus fladdermusen fladdermöss fladdermössen
Genitive fladdermus fladdermusens fladdermöss fladdermössens

Further reading edit