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Beatlemania (n.)[Beatlemania 词源字典]: 1963; see Beatles + mania.
The social phenomenon of Beatlemania, which finds expression in handbags, balloons and other articles bearing the likeness of the loved ones, or in the hysterical screaming of young girls whenever the Beatle Quartet performs in public. ["London Times," Dec. 27, 1963]
[Beatlemania etymology, Beatlemania origin, 英语词源]
bite (v.): Old English bitan (class I strong verb; past tense bat, past participle biten), from Proto-Germanic *bitan (cognates: Old Saxon bitan, Old Norse and Old Frisian bita, Middle Dutch biten, Dutch bijten, German beissen, Gothic beitan "to bite"), from PIE root *bheid- "to split, crack" (see fissure).

To bite the bullet is said to be 1700s military slang, from old medical custom of having the patient bite a lead bullet during an operation to divert attention from pain and reduce screaming. Figurative use from 1891; the custom itself attested from 1840s. To bite (one's) tongue "refrain from speaking" is 1590s. To bite the dust "die" is 1750 (Latin had the same image; compare Virgil's procubuit moriens et humum semel ore momordit). To bite off more than one can chew (c. 1880) is U.S. slang, from plug tobacco.
scream (v.): late 12c., scræmen, of uncertain origin, similar to words in Scandinavian, Dutch, German, and Flemish (such as Old Norse skræma "to terrify, scare," Swedish scrana "to scream," Dutch schreijen "cry aloud, shriek," Old High German scrian, German schreien "to cry"). Related: Screamed; screaming. Screaming meemies is World War I army slang, originally a soldiers' name for a type of German artillery shell that made a loud noise in flight (from French woman's name Mimi), extended to the battle fatigue caused by long exposure to enemy fire.