The definition of a winebibber is someone who drinks too much wine.(noun)
An example of a winebibber is an alcoholic who drinks wine.
See winebibber in Webster's New World College Dictionary
Origin: coined by Miles Coverdale to transl. Ger weinsäufer, Luther's transl. of Gr oinopotēs, wine drinker (see Matt. 11:19) < oinos, wine (< oinē, vine) + potēs, drinker: for IE base see potable