I was around seven, and my brother was a teenager. During a party we had at our house, he told me to go do a nazi salute in front of my great uncle that served in WW2.
Another one, this happened when the 1.3 update was released and I played it for the first time with friends. I was in the underground desert, and saw one of the stalactites. My reaction to this was, "Whoa, they added sand icicles".
Needless to say, I didn't hear the end of that the whole night I was playing.