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The guilt a man feels when he begins to dry his face with a towel before realising that he has used it the night before as a cum rag.
Man: "Hey can you pass me that towel?"

Woman: "Yea sure" (passes the towel) "What's wrong?"

Man: "I've got some serious towel guilt. I forgot I used it as a cum rag last night."
by breeski December 15, 2010