be tight-arsed

(British & Australian very informal) also be tight-assed (American very informal)

to be worried about small details that are not important Don't ask Jack to get involved, he's so tight-assed and really irritating.

Name	Pronounced	Usage
Astrid	['æsteriks]
Szymon	SHI-mawn	Polish
Koa	-	Hawaiian
Peggy	['pegi]
Mithras	MITH-rəs (English)	Persian Mythology (Hellenized)
Kelemen	-	Hungarian