push someone’s wig back
v. phr.— «Revisiting the crime scene, Mr. Roe said the most terrifying moment that night was not when a gang member pointed a gun at his head and threatened to “push his wig back,” slang for shooting him in the head.» —“Fearful Witness Now Faces Trial for a Murder Seen, Then Unseen” by David Kocieniewski in Newark, New Jersey New York Times July 29, 2007. (source: Double-Tongued Dictionary)
Further reading
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If you alternate alcoholic beverages with glasses of water over the course of an evening, you’re said to be zebra striping. This bit of slang was inspired by how the animal’s alternating black-and-white markings are like the contrast between the...