History of words and phrases

Instamatic: Name of a Kodak camera. Also to mean to do immediately, right now; to do without hesitation. Rocky Balboa used this term in the first "Rocky" movie.

It's all Greek to me: Is used to mean that something is completely unintelligible to the speaker. Greek being a particularly tricky language to grasp because of its different alphabet.

Throw one's hat into the ring: To enter a contest or to become a candidate for office. An early 19th-century boxing custom to show you wanted to fight. Teddy Roosevelt used the saying in 1912 when he announced his candidacy for president.