A really boring an monotonous task of entering mind numbing data into an antiquated computersystem. May cause constipation, seizures, or delusions of sexy JewishAmericanPrincesses.
Fuckin shit man, I got another A to Z and Rebekah is starting to lookhot.
Before Google Maps, we used printed maps and the largest brand name in the UK was A-Z.
This was a series of street maps of most British towns and cities; properly the Geographer's A–Z Street Atlas.
Colloquially all road maps were known as A to Z.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.