spaz
UK[spæz]US[spæz]
n
An offensive term for a person who is physically clumsy or awkward, or who is perceived as lacking control, especially due to a neurological condition.
v
To behave in a clumsy, uncontrolled, or foolish manner.
Etymology
The word originates as a mid-20th century shortening and alteration of "spastic," a medical term relating to muscle spasm. "Spastic" entered English via Latin from the Greek "spastikos," meaning "drawing in" or "pulling," from the verb "span." Initially a neutral clinical descriptor for conditions like cerebral palsy, its abbreviated form "spaz" emerged in informal, primarily British English. Through a process of pejoration, it shifted from a specific medical reference to a general, offensive slang term for clumsiness or loss of physical control, and later to a casual insult for foolish or excitable behavior, largely shedding its original clinical precision.
Analysis
This word is a clipping and alteration of the word "spastic," which itself derives from Latin "spasticus" and ultimately Greek "spastikos" (drawing in, pulling, relating to spasm), from "span" (to draw, pull).
Examples
He's such a spaz on the dance floor, always tripping over his own feet.
Don't spaz out just because you made a small mistake.
The old comedy used the term "spaz" in a derogatory way that is unacceptable today.