2 definitions by Fartnshartass

"hey, what is that smell?"
"Oh don't worry about that little guy, it's just a little FNS"

"did you want to get some whataburger?"
"Heh I would but then I'll be a real FNS son of a gun"

"Hey, is Lad dawg working today?"
"Nah he's on leave and had to FNS"
by Fartnshartass May 2, 2022
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