Acronym for Full of Shit Southerner. Used to describe a person from the South (including but not limited to the following states: NC, SC, GA, TN, AL, MS, LA, VA and KY) who is politely being evasive, untruthful, disingenuous and/or passive aggressive. A common behavior found in regional southern culture and widely deemed unacceptable to a northerner, who typically values being forthright. For example, the acronym is applicable when someone is 'yessing' you to death and truly means 'no'.
"That person was a FOSS. She kept saying she's love to buy a timeshare from me, and when I asked her for her credit card, she made all sorts of excuses."

"Total FOSS's. They're from North Carolina."
by TSnyc September 6, 2014
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A shopping area in Leicester,GB,UK.This has a food court,some shitty shops and some good ones.You will find many Year 7 chavs there
Hey did you go to Fosse Park?-Year 7 chav
Yeah babez it was lush-Year 7 Chav
by BigMEEGHAN December 5, 2021
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