Something that is strong and always there.
He is so into you, like a Beijing smog!
by NYcheesecake November 6, 2014
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The foul odor that eminates from a decomposing gerbil in a human rectum.
Whew, Bob sure has some bad gerbil smog today!
by Bert LaCoste January 23, 2007
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The mixture of steam, typically from a running shower, with the odors of fresh sewage to produce a thick gas powerful enough to trigger an asthma attack.
After Larry got back from Taco Bell, he took a shit so massive that he had to take a shower afterwards. However, he forgot to flush, and the smell mixed with the steam producing a poop smog that lingered for three days.
by str88sian August 16, 2019
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1. Term to describe vaginas from Victorian England during the industrialization period when smog was prevalent and there were many ladies of the night walking the streets.

2. Girls from Middlesborough
Was researching photography in Victorian England when I came across some early pornography, there was smog gash everywhere!
by Paddy Mashdown June 6, 2011
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A cloud of gasses that escape the anus by passing by a fat turd on the way out and retaining the essence of defecation. Also referred to as PPFs

The steamy cloud of rancid ass-gasses left in a bathroom after dropping a hearty dougan. See also log fog.
Don't breathe through your mouth, bro. You'll get a mad taste of that log smog.
by Zero2None February 11, 2016
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