How to pronounce “chockablock” in English

Anthony Myint: "I spent a month eating my way around China, but my favorite Peking duck is in an old strip mall in the suburbs of Washington D.C. at Peking Gourmet Inn.The walls are chockablock with pictures of politicians and celebrities, all smiling the same Peking duck induced smile.Ducks are carved tableside by lifelong professionals who expertly unfurl broad swaths of crispy skin and slices of tender meat.