<p><strong>Noun</strong></p><ul><li>Usually skimmings: floating matter that is removed from the surface of a liquid.</li><li>skimmings, Metallurgy: dross.</li><li>Slang: the practice of concealing gambling or other profits so as to avoid paying taxes, commissions, etc.</li><li>The practice of electronically appropriating account numbers or other confidential data for illegal use.</li></ul>