I'm not sure what the acronym stands for, but it's the name for this type of small but mighty mecha built by Deltassius, who is quickly becoming one of our most blogged mecha builders:
Mk. 1 QUAIL:
QUAIL Artillery Command:
If more, similar builds are in the works, these 'bots have the power to become one of the great LEGO "series" by builders, such as CubeDudes or Enter the Brick or Wiffys. I hope to see more of them!