The most prevalent cause of crashes now is “loss of control.”
These things, if left to themselves, can lead to crashes, to busts, to panics.
And, after Vince is dumped by Sasha, he goes on a cocaine bender and crashes a hotel party thrown by Eminem.
c.1400, crasschen "break in pieces;" with no identifiable ancestors or relatives it probably is imitative. Computing sense is 1973, which makes it one of the earliest computer jargon words. Meaning "break into a party, etc." is 1922. Slang meaning "to sleep" dates from 1943; especially from 1965. Related: Crashed; crashing.
1570s, from crash (v.); sense of "financial collapse" is from 1817, "collision" is from 1910; references to falling of airplanes are from World War I.