+"Con" is a colloquial term for a [Confidence Trick](/wiki/Confidence_Trick), a form of deception. It involves exploiting [Trust](/wiki/Trust) or naivety to gain an unfair advantage, often for material gain.
+## See also
+- [Fraud](/wiki/Fraud)
+- [Deception](/wiki/Deception)
+- [Scam](/wiki/Scam)