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Inf. no. I can't do it. No soap. No soap, I don't lend anyone money.
see under no dice.
no soapAMERICAN, INFORMAL
You say no soap to mean that you have failed to do something that you have been trying to do. I went over to his office yesterday and I called him at home this morning. No soap.
interj. no. No soap, I don’t lend anyone money.
1. Not possible or permissible.
2. Unsuccessful; futile.