Hey / dude — the most Uruguayan word there is.
Uruguay shares "che" with Argentina but "bo" is entirely its own. It gets attention, adds emphasis, and often pairs up: "che bo." Using bo is the quickest way to distinguish a Uruguayan from an Argentine.
Uruguayans get tired of being folded into Argentina. Using bo correctly is a genuinely appreciated detail.
Reading a definition isn't the same as saying it to someone. Lingo Kaiava is a voice tutor set to Uruguayan Spanish — it uses bo the way locals do, corrects you in the moment, and never "fixes" the way real people actually talk into textbook Uruguayan Spanish.
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