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Less offensive than "Oh my God" It became a combination of "Omg" and "gosh." Used as a expression of surprise, shock, or even joy
"Hey did you hear school's canceled today?"
-Omgosh, awesome!
Or

"Omgosh, did you hear what happened to her???"
Omgosh by Tasha H (O yea!) May 17, 2005
Related Words
means oh my gosh. used by bible bashers who dont want to use gods name in vein.
omgosh look at that!
omgosh by chav hunter0 August 8, 2006

omgoshness 

Spin-off of OMG or OMGosh. Adds a bit of flair and emphasis for fun.
Omgoshness, Becky. Look at her butt!
omgoshness by Darneezy May 24, 2016
The equivalent of omigod or oh my god or oh my gosh usually said by ditzy girls that just slur the three words. Hence, omigosh, instead of oh my gosh.
Becca: Omigosh, Jen! Brad just waved at me!
Jen: No way! Omigosh, did you wave back?
Becca: Omigosh, yes!
omigosh by sprinkes_in_my_frosting February 16, 2008
similar to oh my gosh,
mainly used by teenage girls that try to be unique in vocabulary.
girl 1: i accidentally drank my nail polish.

girl 2: omgash girl, that stuff is only meant for sniffing smh.
omgash by ominouspink May 13, 2020
the Japanese word for interesting/hilarious or amusing
karera omoshiroi desu
(there are hilarious)
omoshiroi by kurokuma22 June 1, 2018
More from Urban Dictionary

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
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