Tosser

Origin

The word "tosser" emerged in 20th-century British slang as a slightly softened, yet still highly offensive, euphemism for the more vulgar term "wanker." It directly relates to the act of "tossing off," a colloquial expression for masturbation. To call someone a "tosser" is to imply they are contemptible, self-absorbed, and ultimately useless, echoing the implied idleness and self-gratification of its ruder counterpart. It’s a sharp verbal jab, designed to deflate and demean with a single, cutting word.