What's in aid of?

What's something in aid of?

(British & Australian informal)

something that you say when you want to know why someone has done something I heard the shouting from the other side of the building. What was that in aid of? A present! What's this in aid of?

Common Names:

Name	Pronounced	Usage
Judah	JOO-də (English)	Biblical, Jewish
Natalija	-	Serbian, Croatian, Slovene, Macedonian
Matias	MAH-tee-ahs (Finnish)	Finnish, Portuguese
Ashling	['æʃliŋ]
Oluwaseyi	-	Western African, Yoruba
Boadicea	-	Ancient Celtic (Latinized)