(Christianity) The alleged discovery of the cross on which Jesus Christ was crucified, by St Helena, mother of the Emperor Constantine, in 326 C.E..

A maxim encouraging people to attempt to solve their own problems.

Alternative form of like a hole in one's head

(usually capitalized and preceded by the) The Kentucky Derby horse race.

(idiomatic) To experience the suffering or discipline necessary to bring one to a certain degree of knowledge or skill, or to a certain mental state.

Ceteris paribus.

(idiomatic) Something that may lead to gain, depending on the outcome; a position for which to campaign or cheer. / Used other than figuratively or idiomatically: see dog, hunt.

plural of blast from the past

(idiomatic, intensifier, simile) Unceasingly; very; thoroughly; to a very high degree.

(idiomatic) To insist on the total realization of a goal and reject any compromise, thereby decreasing the chance of achieving even a part of that goal.