Abo is an abbreviation for Alpha Beta and Omega in an AU where humans have animalistic instincts in which Alphas are above all and Omegas are at the bottom of the chain
I was reading this ABO fan fic the other day
by Fangirl hoe November 3, 2018
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Name of a generic candidate in the 2012 United States presidential election. It is an acronym meaning Anyone But Obama.
Obama is for all intensive purposes a Socialist, so I'm voting for ABO.
by Dual Engineer August 18, 2011
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Acronym for “American Born Orphan”.

Pronounced: ăbō

D'vora Maria Najée is a proud ABO!
by D'vora Maria Najée March 2, 2009
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slang for the australian aboriginals

its just a shortened version of the word aboriginal
dave: you see those stinky abos over there
jon: yeah?
dave: they stole petrol out of my car AND THEY DON'T EVEN HAVE A CAR!!!
jon: ?? what for real?
by DontYouJustWantToKillYourself September 14, 2022
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Slang term used to Define someone of colour, who may be found in Australia
" Abo's did not have rights till the late 1900's"

statement may be incorrect (not a reliable source)
by Shiznick_666 April 4, 2018
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An extremely pejorative word for an indigenous Australian - an aborigine. DON'T USE IT! IT IS REALLY DEROGATORY!
Imbecile: Look, it's an abo!
Non-cretin: You're a cretin!
by Non-Cretin June 4, 2005
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