Scaler

[Sarah]

One who, or that which, scales; specifically, a dentist'sinstrument for removing tartar from the teeth.

[Jason Yan]

An [armchair] specialists who lay under this [misguided] belief that they know more than experts in the field they enjoy discussing. Can vary from mildly to extremely annoying, often resorting to [simplistic] base insults when they either cannot prove their ideas or have their ideas disproven. Can also be referred to as paleoptologists.

[Julene]

A special hand tool with ridged teeth for scaling fish.