Interesting, and good to know. "Ok...?" from one of my peers would definitely be read as sarcasm, something like "I guess you want me to agree with that but I r

Interesting, and good to know. "Ok...?" from one of my peers would definitely be read as sarcasm, something like "I guess you want me to agree with that but I really don't" and there's an implied eyeroll. So when I've seen it from people outside my culture, I usually do a double take, think "there's no reason for them to want to be offensive here, maybe it means something else to them..." I guess just learned what it means.