The worst kind of noob, they have been playing for quite a while and they still arent picking up any skills.
You may also call someone an ubernoob when they are teamkilling and team flashing and generally being an annoyance even if they are quite skilled.
"Stopteam wounding you ubernoob"
"ffs ubernoob, you got me killed again"
"votekick"
The trenchgun upgraded in the call of duty world at war on the derise map of nazi zombies, with all the perks(quick revive is optional) and is also know as the gut shot with all the perks