The act of monologuing in a self-centred and narrow-minded manner. Slang typically used by Australians in the southeast region.
"You probably shouldn't talk to him mate, he'll plackle on and on."
"She keeps plackling on about herself with no regard for anyone else, it's like she doesn't evencare."
1. A person or persons who covets the possessions of other including but not restricted to: personal effects, personal phrases, personality traits, beverages, food, cigarettes, and marijuana, and makes amazingly bad passes at women.
2. A person that doesn't care about personal appearance, is amazingly lazy, and for an all intents and purposes is a bitch.