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
Abu Bakr	-	Arabic
Premysl	-	Medieval Slavic (Hypothetical)
LÉOnard	-	French
Nida	-	Arabic, Urdu
Sigiheri	-	Ancient Germanic
Dione (1)	dee-O-nee (English)	Greek Mythology