noun
counterfeit check; bad paper
Refers to a forged or fraudulent check. 'Bad paper' is a colloquial English term for a worthless check.
彼は偽小切手を使った容疑で逮捕された。
He was arrested on suspicion of using counterfeit checks.
Compound of 偽 (gi, 'false') and 小切手 (kogitte, 'check').