pop quiz

Noun

 * 1)  A quiz or test given without warning or prior announcement.

Translations

 * Finnish: pistokoe
 * French: interrogation surprise, contrôle surprise
 * German: unangekündigter Test; unangekündigte Prüfung;
 * Italian: compito a sorpresa
 * Japanese: 抜き打ちテスト
 * Portuguese: prova surpresa
 * Swedish: oförberett prov