Dickmouth, n. - 1.Someone adhering to the public opinion that the subject, or the "dickmouth" gets frequently owned. 2. An event centered or focused on the action of dickmouthery.
(to) Dickmouth, v. - The action of completely "wrecking somebody's shit", to own, to dominate or much to their chagrin, to shit on there land.
n. "Yeah man, his girlfriend totally shit on his face while he was asleep" .. "Ah man, what a dickmouth."
v. "Did you see that headshot?" ... "Damn dude, He just got dickmouthed."
A person or group of people who talk trash about people and think it is funny even though it heavily offends them. These people are usually prior friends to the trash talking incident.
Tyler call my mom a whore, therefore he is a dickmouth