Sheerio

plural Sheerios

1. slangA fan of English singer-songwriter Ed Sheeran.

   With his trademark red hair and award winning songs, Sheeran has invaded the lives of Sheerios across America.

   2013 November 8, Kady Kohankie, “British Takeover”, in The Marquee, volume 28, number 2, Flower Mound, Texas: Marcus High School, page 14

   2 more examples

   Hordes of “Sheerios” descended on Huntington village Saturday night after star Ed Sheeran announced he would play a surprise concert at The Paramount that evening.

   2014 July 10, Danny Schrafel, “‘Sheerios’ Conquer Huntington”, in Half Hollow Hills Newspaper, volume 16, number 22, archived from the original on 29 Aug 2014, page A2

   Ed Sheeran: Ever since I saw Mr. Sheeran do about as much justice to Nina Simone's “Be My Husband” as a white, orange-headed English man-boy possibly could, I've been a bit of a closet Sheerio.

   2015, Troy Sherman, Jael Goldfine, “57th Grammy Awards”, in The Cornell Daily Sun, volume 131, number 86, Cornell University, page 8