To, in what is commonly a sudden outburst cause great wreckage to yours or someone else's home. Commonly involving the throwing of CDs and DVDs, spilling of soda, throwing of food, and breaking of valuables. When unplanned the event is a great stress reliever. A planned 4:00 A.M. is much less fun. DOES NOT NEED TO OCCUR AT 4:00 A.M.! Only the first one occured at this time; hence the name.
"Hey, let's go have a 4 A.M.! We can play frisbee with beef patties and crack eggs over eachothers' heads! It would also be fun to throw my guitar around, make hail storms with ice cubes, and break valuable objects my parents bought with their hard-earned money!