hang by a nail

hang by a nail

To hang or dangle from something with a nail serving as the only means of connection, intentionally or unintentionally. You better go get your toolbox because that board is hanging by a nail. The psychiatrist's office offered little in the way of decorations, save for a large, framed degree hanging by a nail above the desk.

See also: by, hang, nail

Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.