put in the pin
English
Etymology
From the ancient peg tankard, which was furnished with a row of pins, or pegs, to regulate the amount which each person was to drink.
Verb
put in the pin (third-person singular simple present puts in the pin, present participle putting in the pin, simple past and past participle put in the pin)
- (Britain, slang, obsolete) To refrain from drinking alcohol.
References
- 1873, John Camden Hotten, The Slang Dictionary