An americano is just espresso shots with hot water, and misto simply refers to steamed milk. The drink is made up of equal parts of each, and at Starbucks topped with foam.
Basically the same context as a weeaboo, but with America. It is when people pretend to be American or of American origin (making themselves look like complete asses) usually the dead giveaway is when they have a large collection of various rifles, empty beer cans strewn around their house, a jacked up diesel pick up truck and a trucker hat with an American flag printed on it.
Americaboo: Git'er dun!!! *Shotguns a beer*
Random: Mate, this is Scotland
Americaboo: Every country is America, you skirt twirlin' faggot. *Waves a rebel flag while shouting loudly*
It's a way that many Brazilians use to call the american football or football as it called in the USA. It can be translated as "footfag". Most of us think it is a gay thing, and they also think it supposed to be called handball, because the football players rarely use their feet.
Homem 1: "Bando de viados, isso é só uma desculpa para os viados se agarrarem! Essa merda devia se chamar futebicha americano."
Homem 2: "Concordo, essa merda é coisa de viado!"
Guy 1: "Bunch of fags; that's just an excuse for fags grab each other! This shit supposed to be called footfag."
Guy 2: "I agree; this fucking shit is such a gay thing!"
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.