stuck on

Adjective

stuck on (not comparable)

1. (idiomatic, slang) Infatuated with; romantically attracted to; in love with.
   • McTeague had a vague idea that Marcus Schouler was stuck on his cousin Trina. They "kept company" a good deal.1899, Frank Norris, chapter 1, in McTeague
   • "You ain't a mush-head, you've got a girl there that's stuck on you. It's about time you think of her."1914, Jack London, chapter 49, in Mutiny of the Elsinore
2. (idiomatic) Fascinated by; enchanted by.
   • "I'm stuck on the way you sing that [Edvard] Grieg song," he declared.1915 October, Willa Sibert Cather, chapter IV, in The Song of the Lark, Boston, Mass.; New York, N.Y.: Houghton Mifflin Company […], →OCLC, part III (Stupid Faces), page 280
3. (idiomatic) Puzzled or stumped by.
   • "I'm doing today's crossword puzzle, and I'm stuck on this one clue."2007, Kate Morgenroth, They Did It with Love, →ISBN, page 144