What is Allusion? An allusion is a brief and indirect reference to a person, place, thing, or idea of historical, cultural, literary, or political significance. It does not describe in detail the person or thing to which it refers. It is just a passing comment and the writer expects the reader to possess enough knowledge to spot the allusion and grasp its importance in a text. There are 4 types of Allusion : Religion Pop Culture Literature Mythology Example of allusion in the song "Titanium" by David Guetta Ricochet, you take your aim Fire away, fire away You shoot me down but I won't fall I am titanium In this dance classic, she compares herself to one of the strongest metals. She is showing that no matter what you throw at her, or how much you try to knock her down, you won’t succeed.