Casual User 

A person who only uses the most mainstream of items related to the thing they are using. Often casuals will annoy more hardcore fans of things

Billy: I just got a new computer with X amount of ram and a Y brand processor!
Sean: Woah dude, I don't know what that means I'm only a casual!
Billy: *Glare* "He told me was good at these things, but in the end he's only a casual user..."

Casual User by Definitions deluxe June 12, 2012

CPCU (Casual Personal Computer User)

Someone who uses a/their computer typically for accessing the internet esp. social media, video chat, typing up documents, and stuff that has to do with work (if the person is a student or a businessman), and just surfing the net in general. In other words, the complete opposite of a HPCU Hardcore Personal Computer User

"Hey man! You want to play minecraft?"

"Um..., what's minecraft?"

"..........."

"I know I'm highly likely to be coming off as lame, but I really don't use my computer for gaming...that shit's boring! What can I say...I'm a CPCU (Casual Personal Computer User).

CPCU (Casual Personal Computer User) by Strategist of the 5 Kingdoms November 27, 2012