From mini- + disaster.
minidisaster (plural minidisasters)
- (informal) A minor disaster.
2007 February 8, Abby Ellin, “With Oscar and Felix as Co-Founders, Does a Company Have a Chance?”, in New York Times[1]:When the Lamp Dude and the Academic decided to go into business together, it had all the makings of a minidisaster.