The act of defecating in ones sock and proceeding to slap another individual across the face with the afformentioned. In most occurences, there is a giver and a reciever. (Usually a tremendous insult)
I gave Brittany a dirty carl when she turned around.
by Justion Bailey October 2, 2003
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A Filthy Carl is when you stick a cold stick down a girls butthole.
by veefour May 27, 2022
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