A blackjack is a short, thick stick that is used as a weapon. [US, informal] Police confiscated guns, knives and blackjacks. regional note: in BRIT, use truncheon.
But the idea is that when someone shouts "monkey" they are not really asking for the dealer to bust, they are asking for the next card to be a "10" card which may well bust the dealer if he has a stiff of course.
The highest scoring wins between these two nations were for Argentina 6 1 (at home in Buenos Aires, 1940) and 1 5 (away at Rio de Janeiro, 1939), for Brazil 6 2 (at home in Rio de Janeiro, 1945) and 1 4 (away at Buenos Aires, 1960).
Defender Nicolas Otamendi's towering header on 63 minutes secured a historic three points for Argentina and condemned Brazil to a third straight qualifying defeat for the first time in the Seleo's history.