late 14c., crasschen "break in pieces; make a loud, clattering sound;" probably imitative. Meaning "break into a party, etc." is 1922. Slang meaning "to sleep" dates from 1943; especially from 1965. Of destructive aircraft landings, 1910 (intransitive), 1915 (transitive). Computing sense "functional failure of a program" is from 1973. Related: Crashed; crashing. Crashing (adj.) as "overwhelming" (typically in crashing bore) is by 1930.
1570s, "loud, harsh, complex sound, as of heavy things falling or breaking," from crash (v.). From 1718 as "a falling down or to pieces." Sense of "financial collapse" is from 1817; that of "collision" is from 1910; references to falling of airplanes are from World War I. Crash-landing attested by 1928. Crash-program in reference to rapid, intense instruction is by 1947; crash-course in the same sense is by 1958.
1727, from French fracas "crash, sudden noise; tumult, bustle, fuss" (15c.), from Italian fracasso "uproar, crash," back-formation from fracassare "to smash, crash, break in pieces," from fra-, a shortening of Latin infra "below" (see infra-) + Italian cassare "to break," from Latin quassare "to shake" (see quash).
early 14c., hurteln, "to crash together; to crash down, knock down," probably frequentative of hurten (see hurt (v.)) in its original sense. Intransitive meaning "to rush, dash, charge" is late 14c. "[T]he essential notion in hurtle is that of forcible collision, in hurl that of forcible projection" [OED]. Related: Hurtled; hurtling.
"to journey by barge," 1590s, from barge (n.). The form barge into and the sense of "crash heavily into," in reference to the rough handling of barges, are attested by 1898. Related: Barged; barging.
"multi-vehicle crash," 1929, from verbal phrase pile up "to heap up" (c. 1400), which is attested from 1849 as "to accumulate," 1899 as "to wreck in a heap" (see pile (v.)).
1560s, "directed downward," from down (adv.). Sense of "depressed mentally" is attested from c. 1600. Slang sense of "aware, wide awake" is attested from 1812. Computer crash sense is from 1965. Down-and-out "completely without resources" is from 1889, American English, from situation of a beaten prizefighter.
c. 1500, "to make a loud, sharp sound," of imitative origin, or a blend of clap and crash. Compare Dutch kletsen "splash, clash," German klatschen, Danish klaske "clash, knock about." Figurative sense, in reference to non-physical strife or battle, is first attested 1620s. Of things, "to come into collision," from 1650s; of colors, "to go badly together," by 1867. Related: Clashed; clashing.