A phalanx of tasks or duties coming at you all at once.
A disorganized load of items to sort and put away.
Anything happening in rapid succession so as to distract you from completing your objective, meeting your goal, or getting done with/at work on time.
"We started to unload the truck but every item was loaded in a mixed caphogeny and it took us four an a half hours to get it sorted out and finished."
"I got to work and was met with a caphogeny of stuff coming at me."