EXAMPLE:
A
SUV with a bumper sticker that says keep earth green. (Example not created by me.)
This shows irony because SUVs tend to use up a lot of
gas, therefore poluting the earth; it is, in essence, the opposite of what the sign
said, advising others to keep the earth unpoluted.
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"The zookeepers were trapped in the huge gymroom."
The irony is based on the fact zookeepers are the workers of a business thats purpose is to keep animals caged. Now, the
people who cause this upon others are now in the same state themselves. This is a more subtle form of irony.