1) To sit at a round table and talk about random topics for many hours.

2) Term coined on the Preston and Steve show on 12/3/2010 during the Camp Out for Hunger
1) "We discovered arsenic based life forms."

"Cool let's have a Sit-Around about it."

2) "I would like to begin our Sit-Around with this comment: ARSENIC BASED LIFE FORM SUCK!!!!!!!"
by Krudey December 03, 2010
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1) The art of mucking around and generally getting nothing done.
2) Description relevant to the most common state of teenagers when they leave school
Since Crissy left school, all she's done is sit around with her thumb up her bum and her mind in neutral
by jimsweirdnakedindianfriend November 30, 2009
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