Ong 

Its a internet slang for "on God" Lots if teens use the word.

"Ong it wasn't me"

Ong by Letdown October 31, 2020

ONG 

Stands for Oh No God! Like OMG, but for atheists.

"ONG...why the heck did she just mention Jesus?"

ONG by Pafologist January 19, 2009

ONG 

An exclamation of shock used to alert and humiliate the perpetrator of a hilarious typo.

Gajan: "Mmm I love applie pie it's so delish"
Sonia: "HAHA APPLIE. ONG."

ONG by Pigs_Will_Fly October 2, 2012

ONG 

ONG💀💯 Can be used too be put out in a Pause in a conversation with people.

ONG💀💯 also can be used too be very serious about a matter at hand.

DUDE 1: AYE G YOU EAT MY OREOS?
Dude 2: ON-G💀💯 i didnt eat your oreos, you know im allergic too High Frutcose Corn Syrup

ONG💀💯 is a term of being very serious and having others understand you're serious.

ONG by N.O.R.E.M.A.KwithTheMoves💀💯 December 13, 2019

Ong 

Instead of saying “I swear to god” or “on god” you can use the term usually associated with texting (ong). Can also be used in agreement to another persons statement

Friend one:Yo that man Kanye is weird

Friend two: Ong

Ong by Big stunna Soulja man January 22, 2019

ONG 

Old-n-Gross.

Let’s get outta this bar ....nothing but OnG’s in here.

Oh hell no....this apartment is OnG.

ONG by Ricardo Montoqueso March 28, 2020

Ong 

A new word of saying omg

“Ong that’s so cool!”

Ong by Waffleisgay October 28, 2020