an exclaimation to be said with a very loud voice when you realize you have forgotten to do something very important such as:

1) Your Venn English Homework
2) You left your keys locked inside your car
3) You just trip and scrape both of your knees.
Friend "hey man can I have some help with that last question on our english homework?"

You "Oh shit! I left mine at home!"
by J.T. the Bible Scholar February 19, 2004
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A statement used by manufacturers of flight data recorders ("black boxes") to alert pilots that there is 1/2 of a second of recording space remaining.
"Oh shit" was the last transmission heard on the black box.
by zabazuve-ha November 18, 2007
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An expression used often by people when they notice they screwed something up. Normally used with the word "Fuck" in the same sentence.
by The iRan February 09, 2009
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Two guys are in a truck drunk and driving up a long dirt driveway way to fukin fast, and the driver loses control and the truck goes into the ditch and hits a tree.

Driver: oh shit!!!

Passenger: YOU MOTHER FUCKER!

by B1GR3D1 July 29, 2008
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what you say before getting arrested, wrecking or not pulling out in time!
when driving really fast and loseing control and at the last minute before you wreck you say oh shit!
by notthedaddy03 February 04, 2010
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Well, whenever something goes awfully wrong, you say "OH SHIT" like your heart beats because of it. But oh no, your fucking cousin is visiting.
Oh shit, my cousin is here. He's such a fucking brat.
OH SHIT, PLOT TWIST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
by moonlxghts May 21, 2019
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