にわか
niwaka

na-Adjective
no-Adjective

1. sudden; abrupt; unexpected; immediate; hasty; improvised; impromptu; offhand

Usually Written in Kana
にわか仕込じこみの知識ちしきではその問題もんだいほどけなかった。
niwakajikomino chishikidewa sono mondaiwa tokenakatta
Hastily acquired knowledge was not enough to solve the problem.
Noun

2. impromptu skit

Abbreviation
Related to 俄狂言
Noun

3. bandwagon fan; fair-weather fan

Slang
Abbreviation
Usually Written in Kana
Related to にわかファン
Other forms: