also: うおーきんぐでぃくしょなりー
noun
walking dictionary; walking encyclopedia
A humorous or admiring term for a person who knows a great deal about many subjects; equivalent to 物知り.
See also: 物知り
彼は本当にウォーキングディクショナリーだ。何を聞いてもすぐに答えが返ってくる。
He's a real walking dictionary. No matter what you ask, he has an answer right away.