Mercurial disposition - Mercury was the Latin equivalent of Hermes, the Olympian messenger god known for his cunning, cleverness, speed and eloquence; the term today has come to signify someone or something that has the characteristics of eloquence, shrewdness, swiftness, and thievishness attributed to the god Mercury.

Olympian detachment - pertains to the major deities of Mount Olympus and their perceived dominance and regal aloofness in relation to others; the phrase today has come to stand for "any characteristic of, or resembling, the gods of Olympus; majestic or aloof." Another way of saying the same thing is "Olympian conceit".

Panic button - the word "panic" is taken from the god Pan, half-man, half-goat. The ancient Greeks attributed the emotion of panic to the Greek god Pan. When people accidentally chanced upon the feared beast, he would instill terror in them. Celebration of the god was noisy, leading to an association of panic and commotion. The Greeks understood panic as a collective, irrational fear, that comes on suddenly, and is without visible cause.

Parnassian figure - Mount Parnassus was the home of the wonderful Muses, the nine goddesses of the arts, crafts, music, astronomy and more. A Parnassian figure has come to mean someone relating to poetry or someone poetic. The name was also given to a group of French poets of the late 19th century who emphasized strictness of form, named from the anthology Le Parnasse contemporain (1866).

Saturnine character - Saturn was the Latin name for the Greek Cronus, who ruled the universe prior to his overthrow by the Olympians. He was known as a god of generation, dissolution, plenty, wealth, agriculture, periodic renewal and liberation. In later developments he came to be also a god of time. The planet was named for him.

Medieval alchemists ascribed to the planet Saturn a gloomy and slow character. When people are called saturnine, it means they are like the planet –– gloomy, mean, scowling; having an irritable and unpleasant disposition

Titanic strength - The Titans were a primeval race of powerful deities, descendants of Gaia (Mother Earth) and Uranus (Father Sky), that ruled during the legendary Golden Age of Man. They were immortal giants of incredible strength and were also the first of the gods in the pantheon of Greek gods and goddesses. The term signifies something of, pertaining to, or characteristic of the Titans - enormous size, strength, power, gigantic etc.;

Venereal disease - Venus was the Latin goddess of love, the equivalent to the major Olympian Greek goddess Aphrodite. Her domain included sexual as well as romantic love and her worship was spread throughout Greece; a venereal disease is a sexually transmitted disease named such due to the connection of Venus with sexual relations. It is a rather unflattering reference to the goddess of love.