It refers to a technique used in older hardware to display bitmaped images. Instead of storing the color in the pixel's memory location, a CLUT based system stores an index that refers to a table of component color values.CLUTs are also refered to as palettes.
a play on words that combines the word craiglist and slut to describe a man or woman who places ads on craigslist frequently to hook up with anonomous sex partners.
Can you believe Sebastian had sex with four different men he met on craiglist last week. He is such a clut.
By Robinette
Clut
A word i made up that sounds dirty. Also used aropund your parents, when you want to say Cunt, but instead you can use clut. Because its not bad.