In contexts where "anti" is short for anti-shipping, an "anti anti" is someone who defends shipping, including shipping that may be deemed problematic, often in defense of free speech. It may also be used as an adjective to describe the position of defending problematic shipping.

This term is generally found in tumblr fandom discourse.

Rejecting the idea that a work of art needs to be explained in order for it to be a work of art.

It's just an art blog.

Being against something that is against something.

A term used to identify people who are against the idea of being anti-something. This is commonly used among netizens to describe people who are against people who are themselves against"problematic" sexual fantasies.

a person who has an antagonistic perspective towards people who have an antagonistic perspective of the qualities or people who are associated with hipsterdom, i.e, a subculture, lifestyle or perspective that values the obscure and the ironic; and fetishizes the authentic.

someone who is against or hates on people who are hating on other people who are trying to be original by surrounding themselves with obscure or ironic things.

one who is against antisemitism but is also antisemitic.

someone who is against Jewish religion on a moral,religious or idealogical basis but is also against people that are illogically and irrationally antisemitic on a ethnic,social,personal or racial basis.
a term used to discribe, anti-zionist jew or a anti-zionist liberal or a zionist christian.
sigmond fraud was considered a anti-anti-semite.