It's a combination of two words, Intussusception and Delicious. It can be used to describe the look of currant jelly stool which is a common presentation of stool due to Intussusception.
Nurse; "Dr , we got a stool sample of the infant who was admitted with vomiting, and passage of blood per rectum"
Dr ; "That looks intussusceptilicious!"
Dr ; "That looks intussusceptilicious!"
by Elamouri June 11, 2017