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A Chant normally used by children to indicate they think someone is lying.
The full phrase is "Liar, liar, pants on fire. Hangin' on a telephone wire".
It is a paraphrase form an 1810 poem by William Blake titled "The Liar".
Tom: "I didn't brake that lamp. My brother Dick broke it."

Dick: "Liar, Liar, pants on fire!"
by procadman January 07, 2012
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