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ONS

ONS is an abbreviation for "Over Night Studying", SON can also be used in some occasions. It is an action held by most, if not all, petroleum engineering students. It has been well known through out time, that this habit is to be practiced before major exams, and even quizes. According to new Petroleum engineering students, ONS is a sacred retual, that every -successful to be- engineer should experience!
"Normal student Helal" : Ughh, Got a midterm tomorrow, ONS :D ??

2 years later..

"ADMA executive manager HaLool :3" : SON was worth it alright :3!
by Hallulz November 22, 2010
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Ons

Overactive neck syndrome
My friend has the ons very badly
by Leon1738 February 16, 2017
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Related Words
ONS onsight onslaught Onset Onsel onshi Onsia onstantin ONSD onside

Ons

An acronym for Owari No Seraph (seraph of the end). An anime about an abused gay sexy blonde vampire, trying to rescue his King of salt from the humans experiments.
Have you finished ons yet?
Yes, and I'm dead now. Ferid is a dick.
by Yoi1999 October 26, 2017
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Ons

On Satan. Instead of saying On god you say On satan.
Me: "Yo her ass thick asf"
Bro: "Ons bro"
by Alissa Sham April 9, 2021
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ONS

ons is short for "on soul". basically another way of saying on god or on me.
"she is always starting shit."
"ons"
by hyolynsqueendom May 24, 2022
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Ons

Others: ons he is (on soul)
by K.2slickk June 15, 2022
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Ons

“Ons she lying nigga
by Braceface_E March 1, 2023
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