Be Positive! Sarcasm At Its Best!
Even positive sarcasm has its limits:
An MIT linguistics professor was lecturing his class the other day.
“In English,” he said, “a double negative forms a positive. However, in some languages, such as Russian, a double negative remains a negative. But there isn’t a single language, not one, in which a double positive can express a negative.”
A voice from the back of the room piped up, “Yeah, right.”