English edit

 
A beer koozie in the form of a fish.

Alternative forms edit

Etymology edit

An alteration of earlier cozy, cosy (padded or knit covering put on an item to insulate it), from Scots. This form, with /u/, is perhaps influenced by a blend of cool, kool +‎ cozy.

Pronunciation edit

Noun edit

koozie (plural koozies)

  1. A thermal insulation sleeve for cans or bottles.