(poetic) The United States of America.

A warning of an imminent explosion in a confined space, especially a grenade or blasting charge. / (slang) A generalized warning that something is about to happen.

(idiomatic) A problem or difficult issue that is very obvious, but is ignored for the convenience or comfort of those involved.

present participle of drag the chain

To fall behind relative to others. / To unwittingly hold up progress. / To deliberately hold up progress by acting slowly.

(chiefly US) To perform a mathematical calculation.

(idiomatic) One acts in a threatening way but is relatively harmless.

(simile) quickly, at a high speed. / (simile) changeably, freely and at liberty. / (simile) invisibly, mysteriously, unpredictably.

(idiomatic) obstructing, blocking, or hindering / (dated) Around; present; able to be found.

(idiomatic) coming, approaching