- gander-mooner
- obsolete Englisha husband copulating outside marriageThe month after the birth of a child was known as the gander month or gander moon, from 'the month during which the goose is sitting when the gander looks lost and wanders vacantly about' (HDD). During this period a husband was supposedly given licence to copulate with other than his wife.
How not to say what you mean: A dictionary of euphemisms. R. W. Holder. 2014.