What is “Air quotes”!?

↑This is “Air quotes”.
Do you know “Air quotes”?I see them in conversations and in presentations. For example my history class members are into “Air quotes”.
But whey do natives use “Air quotes”!?
They are often used to express satire, sarcasm, irony or euphemism, among others, and are analogous to scare quotes in print.


So I guess they can make more funny for irony or trend word!
Do you think so?
If you want to know example,let’s go to this site and watch a video!
She remarked how to use “Air quotes” more clearly.
↓They are “Air quotes” define from Wikipedia.
Air quotes
The air quotes gesture
Air quotes, also called finger quotes, are virtual quotation marks formed in the air with one’s fingers when speaking. This is typically done with hands held shoulder-width apart and at the eye level of the speaker, with the index and middle fingers on each hand flexing at the beginning and end of the phrase being quoted.[1] The air-quoted phrase is — in the most common usage — very short, at most a few words. Air quotes are often used to express satire, sarcasm, irony or euphemism, among others, and are analogous to scare quotes in print.
Air quotes, also called finger quotes, are virtual quotation marks formed in the air with one's fingers when speaking.…en.m.wikipedia.org