Regal definition referring to the act of vomiting explosively, which produces the ya----bb-leeeeeee effect. Origins can also be traced to the original usage of yabble dabble doo, which was cut short for more repetitive usage. Most commonly seen at venues carrying alcoholic beverages and scandalous women.
Billy : Man it smells like death in here...oh snap whats that in the cup?
Tron : Cheese and rice billy, its mofoing yabble! Time to bounce on the double!