On God is a phrase which is a way of saying that someone is telling the truth. Similar to another phrase such as "I swear to God." Other common uses are "On my mom," "On my grandma," "On my grandpa," "On gang," etc...
Person 1: I whipped out of that parking lot so fast, spinning the wheel, I 'bout flipped the damn car over. Then the police started following me, and I had to run away.
Person 2: Really?
Person 1: On God, bruh."
Person 2: Really?
Person 1: On God, bruh."
by piercethegreenbridesveil January 7, 2017
Get the On Godmug. When white people say "My hood lingo isn't up to par." and you have to tell it to them straight, "On god bro these niggas be trippin."
by Guardian Asian January 14, 2019
Get the On Godmug. A phrase used to describe something so honest you're swearing upon God's name.
I swear on God = On God
I swear on God = On God
by HollabackGirl August 30, 2013
Get the On Godmug. by Jeepers/ Figgle my nippers February 2, 2019
Get the On Godmug. by lilm11ka May 5, 2020
Get the On Godmug. by KingBrush January 9, 2021
Get the On Godmug. by SuperTigerYT July 10, 2018
Get the On Godmug.