An overly cool 1980's-1990's helmet made by Rosebank in Australia. Popular colours included fluoro yellow and green, white, and dusty pink. Parents were known to draw eyes on the back of the helmet to ward off the deadly 'magpie dive'.
When you can not be bothered talking to someone on Facebook chat anymore, so you go offline. Later when talking to that person you blame it on Facebook "stuffing up"
Trash-talking to the nth degree not always consisting of current verbiage. Good examples: Jesse Jackson, Al Sharpton, any number of NBA players recapping the game they just won. Noun form: Smackulator-one who is proficient at smackulation.
Me and my pardnas was hikin' up a mountainside an we smackulated bout just about evathing.