beat someone's arse

another nail in someone's coffin

An event that increases the likelihood of or causes further failure.

answer someone's prayers

To be or do exactly what someone has been wishing or asking for.

answer to someone's prayers

Exactly what someone has been wishing or asking for.

apple of someone's eye

The object of somebody's affections; a person (or sometimes a thing) that someone strongly prefers; a favorite, a loved one.

Aris

[Cockney slang]arse

via Aristotle → bottle & glass

arse end of nowhere

A very remote place.

arse over tip

Tumbling or falling; upside-down.

arse over tit

Tumbling; falling; upside-down, unstable or unbalanced.