To be "Batmaned" is to be Physically beaten so bad that you are near death or incapacitated, just as the superhero Batman demonstrates when fighting villains.
Originally a hand gesture, the act of breaking something and the sharp cracking noise occurring from both. However, it has come to be a slang for purging something due to the main villain of Avengers Infinity War, Thanos, purging half of the universe with the Infinity Gauntlet and Infinity Stones with a snap.
During World War II, Nazi leader and dictator Adolf Hitler snapped over 6 million Jews and many others due to the Holocaust.
John: Dude, you should get Red Dead Redemption 2. It's such an awesome game!
Joe: Sorry, I can't. My computer is full so I gotta snap most of the junk on it.
A slang term for the persons deemed unimportant, that their interests are not even taken into account. This slang term is similar to the Indonesian idiom "anak tiri", with this same meaning.
The term ‘stepchild’ can be used to describe someone who’s treated as unimportant, even when they’re part of a friendship circle.