Eabaos is an acronym for "Eat a Barbie ass or something". It is the female version of Sandos, meaning "Suck a nigga dick or something". It is used by Nicki Minaj in the remix of A$AP Ferg's 'Plain Jane'. Sandos was popularised by Juicy J in his song 'Slop on my Knob'. [Nicki Minaj parodies this with a female version.
In the song, 'Plain Jane REMIX' , "eat a barbie ass or something" (Eabaos) is repeated four times.
"What does that mean?" Normally used when a picture is posted and the writing on the picture is illegible
The first use was on Craigslist in 2005 when a poster displayed and image from a Thrones record in which the word "Thrones" due to intense caligraphy looked like the word "earoneg." The example can be seen here: forums.craigslist.org/?ID=35080826
Ever since then, when a picture is posted and needs more explanation, "earoneg" is posted and the explanation comes shortly after