Adjective, describes a person who dresses and look spiffy all the time for no reason, usually dresses in a suit and tie or other nice outfit with a tie like jeans/shirt/vest/tie or khakis/shirt/tie
Matt began to realize his level of spiff when he began to wear a suit and tie every day for no reason. If he wasn't in a suit and tie, he was wearing khakis or really nice jeans and a shirt and tie. Pure spiff.
The act of being dressed up in a suit and tie, for an occasion or for no reason at all.
Matt: I feel like getting spiffed up and going to a nice club tonight. These dive bars are getting old.
Jack: Calm down
refers to the people who frequent the biome site - an online meeting place for life science students at the University of Toronto - especially those who post on the message boards, and/or have met each other through the boards.
Newbie: Do you guys know each other IRL?
Regular: Most of us do. Why don't you come down to the front row in Con Hall on Monday and introduce yourself to the biome crew?