'Trash talking' is a commonly used tactic in internet forums whereby said 'trash-talker' openly insults or abuses another person or brings up previous disputes to depose their argumental position. Trash talking is a form of trolling with the aim to illicit a similar response from the targeted person or to derail the originaldiscussion.
A discussion about how to change the rules of a game on a forum is several pages long, trash-talker interjects with 'hey you, fucktard, you can't say anything because you take it up the butt and we all know it'. Target has just the victim of a Trash Talking attempt.
Group of NFL fans on YouTube who brag and complain about their favorite teams when they win and lose. It's beginnings are thought to trace back to 2006. Known as "The TTC" for short
The phenomena on Urban Dictionary of submitting a name, then writing a definition for a singular person painting them in a negative light.
If male, the definition will either claim the subject is homosexual, possesses a small penis, or is a "douchebag." If female, the definition will describe her as a "slut," a "bitch," or "fat."
A slightly intelligent Trash-Talker will try to disguise their entry with things like "he/she," or using the name in question as a title. This will (sadly) fool some editors.
Urban Dictionary Trash-Talking is widespread, with about 40% of entries reviewed being UDTT or UDA.
The converse is Urban Dictionary Arrogance.
PlutoRoman: (reading) Jaiden-
The greatest moron to ever live.
"Jaiden Guy Knoch is the greatest moron to ever live. "