An "sms" also known as a text message on a cell phone. Smog is short for "Short messsage blog"
Wow! I have received 200 text messages today. That's a lot of smog!
by Todd Dusenberry March 17, 2007
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An open mouthed kiss from a Dragon (or Dragon like creature... eg: a Dragon Pheonix). From the English word "snog."
DragonPhoenix smogged Bambi.
by Grey Labyrinth August 8, 2003
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"sm" means "small"
putting this before the word "dog", turns it into "smog"

you can use this in any other word

...""smindow", small window
..."sminky", small chinky

;)
"OH DUDE, HAHA LOOK AT THAT SMOG IN THE SMINDOW!!!"
by andy humphries May 15, 2009
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The act of getting oral sex, sex, etc. Also known to mean ejaculation.
She come over and I smoged her. I smoged on her face.
by Casey Joe Buck March 2, 2005
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to smog someone.
its like a snog. only way cooler.
/me smogs you.
the act of smoggling.
by cytheria March 21, 2007
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to subject a car to an emissions test with a pass result. Usually a state will require such a test with a passing grade in order to properly register your car in that state.
I finally got my car smogged but I had to have the mechanic work on it for days.

I couldn't get my car smogged. The catalytic converter failed.
by whiskeyhotel January 19, 2012
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No smog - adj.

a good day or used to describe a good day. A reference to the Ice Cube song "Today was a good day. He says...

"Just waking up in the morning, gotta thank god, I dont know but today seems kinda odd. No barking from the dog, no smog, and momma cooked a breakfast with no hog."
How was your day?" " No Smog!" Ah, well I'm glad you are having a good day.
by MattyJ53 February 12, 2010
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