| yellow-dog contract | |
| —n | |
| (US) a contract with an employer, now illegal, in which an employee agreed not to join a trade union during his employment | |
| [C20: from US yellow-dog anti-trade union, from yellow dog mongrel, contemptible person] | |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a chattering or flighty, light-headed person. |