David Allan Coe, the country singer whose outlandish exploits, prison tales and obscenity-laden performances earned him notoriety as a transgressive exponent of the outlaw country movement of the 1970s and ’80s, died Wednesday. He was 86. Coe’s death was confirmed by David Wade, his booking agent, who said he had died in the hospital but did not specify a cause. A pair of mid-1970s singles announced Coe’s arrival as a Nashville outsider in the mold of Willie Nelson and Waylon Jennings — an original with an offbeat sense of humor, a deep baritone and a fierce resolve to be different. The first of those recordings, “You Never Even Called Me by My Name,” a droll sendup of honky-tonk clichés written by folk singers Steve Goodman and John Prine, reached the country Top 10 in 1975. “I was drunk the day my mom got out of prison/And I went to pick her up in the rain,” Coe sang on the record’s final chorus, backed by a weeping dobro and a nimble country rhythm section.…