Relieving gas through the penis, much like a female queef.
This bitch plugged her nose because he couldn't stop karfing.

During a session of anal sex the couple couldnt decide if she was farting or he was karfing.
by weeziebaby April 23, 2010
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A bag in which used to collect blood and other substance which may come out of the Karf.
Dude, my Karf bag overflowed last night with a mixture of blood, semen, urine, and a waxy substance which came out of my (Karf hole).

You fucking Karf bag go give a (Rim Job).
by scotty greeny March 02, 2009
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