“I was just dropping off my friend, because I am the DUI tonight,” the man told the officer, according to body camera footage. “You’re the DUI tonight?” the officer asked. “Yes sir.” “Do you mean to say the DD (designated driver),” the officer asked as a follow-up. “Speechless,” the police department wrote in a caption that documented the exchange.

It happened at around 6:30 p.m. near the intersection of Collett Avenue and Stonewall Drive, according to the Riverside Police Department.

The Calistoga Police Department, and other nearby agencies, will set up the checkpoint at an undisclosed location in the city to screen drivers from 6 p.m. Friday to 1 a.m. Saturday, the department said in a news release. Police determined the location using data regarding impaired driving-related crashes.

A California man suspected of driving under the influence was arrested after a slip of the tongue, accidentally identifying himself as the "DUI" to law enforcement instead of the "DD".

The truth did not set him free. A California motorist was arrested hours into the New Year after he told a police officer he was the “DUI” for the night — rather than the “DD” in an apparent slip of the tongue,