In the MMORPG world of warcraft a ninja pull is when a member in your group or raid purposely pulls a pack of mob s or a boss when the group or raid isn't ready for the encounter.

These so called ninja pullers are usually impatient and retarded DPSers that are pushing a whopping 1500dps on recount.

Ninja pullers also tend to be classes that can escape large groups of mobs, such as a fiegn death hunter or a bubble hearthing paladin inevitably killing the whole raid except for themselves. All in all ninja pullers are assholes that you should kick from your group asap!