1) Abbreviation for "On God" meaning to heavily agree to
something, and
show that agreement by mentioning the life of God.
2) Misspelling of "
OMG" which is an abbreviation for Oh My God/Gosh/etc.
1)
P1: "My favorite part about the party was how hyper the
DJ was"
P2: "ONG DUDE"
2)
P1: "ONG I JUST GOT TOLD VERY BAD NEWS ABOUT MY
PARENTS"
P2: "You misspelled OMG,
dumbass."
P1: "Why does that matter...?"