Named for a behavior commonly exhibited by male newbies on internet forums frequented primarily by women. Often leads to a flounce. Either sex can be guilty of mansplaining.
...Therefore its all womens fault."
Mansplain--to put women down in response to criticism.
Man: "Actually, the study which suggested an autism link was a hoax, and the scientist who submitted it was disbarred."
Woman: "Check your privilege, you're mansplaining.
Explainer: That is a misleading statement. In fact, after correcting for factors like hours worked, experience, physical danger involved, etc., the differences is just a few percent.
Explainee (sarcastic): Thank you for mansplaining! I would never have thought of that with my tiny little brain!