Pronounced TOSS-EE-AY (like dossier), a tossier is a collection of internet history or other information containing detailed information about a particular person's masturbation habits.
How did you know Charlie was into plus-sized women? Easy, the last time I borrowed his computer I printed out his internet history and created a tossier on him.
while the word wanker is a more general and term for expressing disdain for somebody, the word tosser describes a person with a tendency to show off or brag in an excessive and embarrassing way.
or someone whose explanation of a word consists solely of another synonym.
"well at first i thought this guy delivers, but in the end he was just another tosser."
A asks: hey, what does tosser mean?
B answers: duh, it means: wanker.
A thinks: what a tosser.
B thinks: damn, i'm smart...