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1.
getting socked in the face during an altercation
That girl schneider cold clocked that b**** and broke her nose!
by K.Babyy February 07, 2010
 
2.
When someone puts a clock in your freezer as a joke and you don't find it until weeks later.
Two weeks ago I had a party, and just this morning discovered that I was cold-clocked!
by Flarkington April 27, 2010