Noun- Someone that sucks at an online game. Used as an insult that typically irritates the person at whom it is being directed. Derived from the word nub, which is a variation of the word noob. Usually, the word nubcake is exchanged among experienced players in a joking manor, since most real noobs would not understand its meaning.
"sweet micro nubcake..."
"lol noob, would you like some nubsauce with ur nubcakes?"