What does "eop" mean?

Initialism of elevation of privilege.

What is a synonym for "eop"?

Common synonyms include: office of the president.

noun, slang

noun, slang ·Uncommon ·College level

Noun

1
Initialism of elevation of privilege. abbreviation, alt-of, initialism, uncountable
2
Initialism of external occipital protuberance. abbreviation, alt-of, initialism
3
A fan of foreign works (chiefly Japanese) that does not speak their original language and, as a result, has to wait for translations in order to enjoy them. slang

The fandom slang sense is an initialism of "English-only peasant".