Definition of cocktailian in English:

cocktailian

Pronunciation /ˌkɒkˈteɪlɪən/

adjective

rare
  • Of, relating to, or characteristic of cocktails or people who mix cocktails.

noun

rare
  • A person who is skilled at mixing cocktails, especially as an occupation; a mixologist.

Origin

Mid 19th century (in an earlier sense). From cocktail + -ian.