The odor near or around an obese individual. Usually after exercise or before challenges. Fat man's funk is usually associated with sweat, dried urine, spit, and or dried shit usually due to improper wiping.
After a long sweaty indoor soccer game Max was quite sweaty and smelled of fat man's funk

"Dude what is that awful smell?"
"thats gotta be Jame's fat man's funk"
by MX xav July 22, 2009
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