contraction of noob and kek/cake in world of warcraft and other games used for advanced noobs or boobs noob: idiot, beginner
kek: what the blizzard language filter makes out of half the horde->alliance speech i.e. 'kek kek kek kek huzah kek'
"Stop spamming in trade you nubkek"
"Brokke you're such a nubkek, here have some pie and let the big boys tank it"