Popularized by some movie about America and history and maybe an X, it's when you get really mad at someone for hanging out infront of their house so you kick the shit out of them and then take their face to the curb and rest their upper mouth on the cement and then jump on their head as hard as you can, causing their teeth and jaw to get smushed into their brains. Usually causing death or the horrendous condition known as "British Teeth"
Her blowjobs were never the same after that Cement Smiley.
by Jerry's Kid April 20, 2004
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