My Life Through Heaven and Hell,' Sum 41's Deryck Whibley recalls the former couple's relationship was "based on sex, drugs, booze and partying."

The duo embarked on a wild short-lived fling after meeting at an LA club in 2003, the rocker wrote about in his new memoir 'Walking Disaster'.

Throughout the pages of “Walking Disaster,” Whibley describes a fraught and frightening relationship with Sum 41’s first manager, Greig Nori, whom the singer alleges groomed and sexually and verbally abused him for years, starting when he was 16 and Nori was 34.

My Life Through Heaven and Hell,' Sum 41's Deryck Whibley claims the alleged abuse began when he was 18 and lasted until the band fired his purported abuser in 2004.

Deryck Whibley of Sum 41 is opening about the sexual abuse he allegedly suffered during his relationship with the band's former manager, Greig Nori.

"Walking Disaster: My Life Through Heaven and Hell," a memoir written by Sum 41 's Deryck Whibley, reveals a painful secret that the frontman says he's kept hidden from his bandmates for years, alleging sexual abuse at the hands of the band's former manager at the height of his fame as a young man.

Back in the pop-punk heyday of the early aughts, Sum 41 was one of the biggest bands on the planet. Deryck Whibley, its spiky-haired frontman, was known for destroying hotel rooms and dating fellow tabloid staples like Paris Hilton and Avril Lavigne.

The musician opens up for the first time about the alleged abuse and grooming in his new memoir, "Walking Disaster: My Life Through Heaven and Hell."

Sum 41 frontman and guitarist Deryck Whibley writes in his new memoir, Walking Disaster, that the band’s former manager, Greig Nori, sexually abused him as a teenager, per The L.A. Times. Whibley also states that Nori verbally abused him and accused him of grooming.

In Sum 41 frontman Deryck Whibley's new memoir, he recalls dating Paris Hilton amid threats of her sex tape being leaked and how he listened to Hilton cry when she told her parents about the tape.