The ultimate form of being noob,newb,nub, etc. This is lower than being nub. You are half of a nub. If you get called this you are not even worth being called a noob.

Word came from nub which came from noob which came from newb which came from newbie. This word originated in IRC and got spread around via popular multiplayer games such as Counter-Strike

The pre-maturation status of a nub or the offspring of two nubs.

The word nublet is used in many occcasssions. Especially in gaming such as CS. It is a huge degradation of someone and is someone who either sucks at a game or just doesnt know what they are doing. From the word Newb or N00B.

When two idiots or, "n00bs", mate, they create what is known as a "nublet."

Word trace:
nublet>nub>noob>newbie>new player

Most commonly used in MMORPGs

A nublet is someone who was so unfortunate to get pwned by a nub {who got pwned by a nooblet (who got pwned by a noob)}
Mind you he/she was spamming the chat room (hmm, looks like toilet mouth, insults, and ad links :) ) instead of paying attention to the nub he was fighting.

and adjective describing a very young or small noob. A very inexperianced player.