A floob is honestly just the evolution of noob. When people don't understand how to use the word "noob" and just use it for someone that killed them, you can actually use floob without any comment in return like "lol do you know wut noob means XD" from some 10 year old on roblox.
Child 1: You FLOOB
Child 2: Do you know what... wait whats a floob
Child 1: Hueh.
1.
a living organism of the kind exemplified by succulent, cacti, trees, shrubs, herbs, grasses, ferns, and mosses, typically growing in a permanent site, absorbing water and inorganic substances through its roots, and synthesizing nutrients in its leaves by photosynthesis using the green pigment chlorophyll.
synonyms: succulent, cacti, flower, vegetable, herb, shrub, weed
Floob: A type of noob. the FL comes from the word floppy, which means that he doesnt care about his noobishness. Alternate meanings come from the idea of a noob that is so noobish that he tried to insert a floppy disk into a cd drive,
Alternate spelling includes fl00b. This word is typically used in gaming, and in gaming clans, and has joined other words such as noob,pwn,pwned,owned.
"You dont know what a hard drive is? You're such a floob!"
A guy couldn't find a usb cord so he brought his headphones to see if they would work instead. He would be considered a floob.