Dude, man.
Opens and punctuates sentences among younger Germans, exactly like "dude." "Alter, was machst du?" Also stands alone as an exclamation of disbelief.
Literally "old one," from "alter Mann."
Spain says tío, Mexico says güey, France says mec.
Reading a definition isn't the same as saying it to someone. Lingo Kaiava is a voice tutor set to German — it uses Alter the way locals do, corrects you in the moment, and never "fixes" the way real people actually talk into textbook German.
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