have a case on

Also, have a crush on. Be infatuated with someone, as in He's had a case on her for years, or Teenage girls often have a crush on this teacher. The first slangy term dates from the mid-1800s; the second, a colloquialism, dates from the late 1800s.

Common Names:

Name	Pronounced	Usage
Baer	BER	Limburgish
Pelagiya	pye-lah-GEE-yah, pee-lah-GEE-yah	Russian
Natalia	nah-TAH-lyah (Polish, Italian, Spanish)	Polish, Italian, Spanish, Romanian, Georgian, Late Roman
Dareia	-	Late Greek
ÁSgeir	-	Icelandic
Ladd	['læd]