plural of soil nail

plural of hand-nail

plural of clout nail

plural of roofing nail

plural of horse-nail

(simile) Very dumb (stupid).

Something that sounds very unpleasant.

(idiomatic) An event that increases the likelihood of or causes further failure.

(US, slang, rare) To do something that is impossible or very difficult, with connotations of pointlessness.

To clearly show one's support for a side or opinion in a dispute, often indicating an intention to defend that side to the end.