Refers to da voluminous "watering"
dat occurs when several big dudes
drink copious quantities of Buds and Coors and then majorly "
drain their radiators" on da ground afterwards.
In da famous song "Second Week Of Deer
Camp" by "Da Yoopers", they speak of da guys having created "a ring of yellow snow" all around da hunting
camp due to their frequent intervals of beerrigation throughout their days of indolent debauchery --- "We drink, play cards, and
shoot da bull, but never shoot no deer".