das Biest

1. 1

   animal, beast, any kind but especially an annoying one, e.g. an insect, pest, aggressive dog, etc

2. 2

   someone who behaves in an antisocial manner

3. 3

   beestings — first milk of a cow after giving birthrare

Forms in lighter type are derived by the standard declension rules from the nominative, genitive and plural.