fen nightingale
English
Etymology
From their continued croaking at night.
Noun
fen nightingale (plural fen nightingales)
- (UK, slang, archaic) A frog or toad.
- 1934, Neil Bell, Bredon and Sons, page 15:
- Tom Spence is a dom fule and doesn't know a fen nightingale from a natterjack.
References
- John Camden Hotten (1873) The Slang Dictionary