An internacional organization formed by countries that have a latin language as the oficial language: Argentina, Spain, Brazil, Portugal, Itália, México, Colombia, etc..
Anglo: I'm from Commonwealth.
Latin dude: I'm from the Latin Union.
Anglo: Oh man! I wish i was Latino...
The most feared, biggest, strongest crew in miami. made up of mostly latin people
Damn yo', there be rollin LU we best be leaving before we get hurt