An achillean person or a is a man, or man-aligned person who is romantically or sexually attracted to other men or men-aligned people. The label is used as a way to unify all men who love other men such as, gay men, bisexual men, pansexual men, etc, promoting solidarity among men of all identities.
Other names for this term are man loving man (MLM), theban, and chaeronean.
The feminine counterpart to achillean is sapphic.
History
The word achillean has historically been used to describe things relating to Achilles. The first instance of achillean being used in the context of MLM is likely a 2016 post by Tumblr user Asculan[1].
Flag
The achillean flag has two blue stripes on the top and bottom representing men. In the center is a green carnation. In ancient Rome and 19th century England green indicated gay affiliations. Victorian men would often pin a green carnation on their lapel as popularized by author Oscar Wilde.
Etymology
The word achillean comes from the name of the hero in the Iliad, Achilles, who was romantically involved with another man, Patroclus.