- ear-worm (n.)
[ear-worm 词源字典]
- 1880, "boll-worm, corn parasite" (corn-ear-worm attested from 1855), from ear (n.2) + worm (n.). Also an old alternative name for "earwig" (from ear (n.1)); from 1881 as "secret counselor." From 1989 as "annoyingly unforgettable pop song or part of a song."[ear-worm etymology, ear-worm origin, 英语词源]