PUA is incorrectly written and it should be written as "Spike" being its meaning: The correct term is pua. It is a synonym of punch, needle, Stinger, Thorn, skewer, peak, puya, chuzo, hook, affliction, Peña, suffering, pain, gall, cunning, taimado, ladino, RAM, nail, claw. Tip or protection of the Hedgehog.