Many or much. From Viet Namese French for beaucoups. During the Viet Nam war American soldiers picked this up from the natives, Viet Nam was once a French colony.
Viet Namese hooker in Saigon, "Sex going to cost you bookoo bucks. One dollar lookie, two dollar touchie, three dollar dewey"
by hyzercreek July 8, 2009
Get the Bookoomug.