obese, adj. — Green’s Dictionary of Slang

obese adj.

[play on SE obese, very fat/fat adj. (1c)]

excellent, extremely admirable.

1997–2000		College Sl. Research Project (Cal. State Poly. Uni., Pomona) 🌐 Obese (adj.) Very phat; extremely cool.
2005		A. Swartz ‘Sweet, Tight and Hella Stupid’ in S.F. University High School Update Mar.–Apr. 2: obese – really good or really big. ‘Obese homework.’.