"I could care less"

Alduin

That means you do care, nitwit.

Princess Alice

If I never have to see another argument about this again, I'll be a happy princess

Tanya

Central Avenue said:

If I never have to see another argument about this again, I'll be a happy princess

so you could care less about this argument? 

Fossilmaiden

I could care less, but to do so would require the expenditure of additional effort on my part, and is thus pointless.

One-Winged Eagle

I could care less, because while I do care a little bit, I also don't like you, so I will do nothing out of spite.

Odradek

I hate these word crimes

One-Winged Eagle

I'm the Moriarty of word crimes. I'm a consulting word criminal.

Klinotaxis

i care about everything and everyone. i'm basically ksitigarbha and jesus mashed in a blender together.

Yarrun XIX

The video for that song has Trodgor in it

Bee

Odradek said:

I hate these word crimes

dammit i hate waking up to threads like this and seeing the punchline stolen

Salix Babylonika

actually it's pronounced "fuh"

Anonus

Yarrun XIX said:

The video for that song has Trodgor in it

It also makes reference to a show on America's glorious Broadcasting Company

LW

"For all intensive purposes."

Anonus

iHeartMedia, formally known as Clear Channel Communications

Tre

FORMERLY

Tachyon

This violates the tenants of my religion.  What a load of bullocks.

Haven

Irregardless, the proof is in the pudding.

Corvina

"I could care less" began as sarcasm

Tachyon

People always say that, but the tone usually suggests otherwise.

Fossilmaiden

The earliest written record of it I can find is used completely seriously, in a 1936 issue of The New Yorker. It also involved calling Nigeria hell.