Irony: 1. The use of words to express something different from and often opposite to their literal meaning. 2. An expression or utterance marked by a deliberate contrast between apparent and intended meaning. 3. A literary style employing such contrasts for humorous or rhetorical effect. See Synonyms at wit.(Dictionary.com)
I.e.:This is a joke, people.
Fake news, gentle satire, strange but true stories and pictures.
Let's laugh at ourselves a bit while we're here.