Adworm
Kinda like a earworm but instead of hearing a song over and over again, you hear an ad over and over again.
Person 1: "What're you humming?"
Person 2: "An advert for washing detergent that I enjoyed."
Person 1: "Why?"
Person 2: "Cause I got an adworm and it's bloody annoying."
Person 2: "An advert for washing detergent that I enjoyed."
Person 1: "Why?"
Person 2: "Cause I got an adworm and it's bloody annoying."