noun, masculine/pa.ta.sa/plural: patassas
any of various freshwater fish of the sunfish family (such as bluegill, warmouth, crappie, or bream), often locally called perch or sun perch; dolt, stupid person, dumbass; heavy, stout man
“J’ai attrapé un hourra de patassas avec erien d’autre que des laiches.” — I caught a bunch of bream with nothing but earthworms.
Of Mobilian/Western Muskogean origin; cf. Choctaw nʋni pʋtʋssa (“sunfish”, literally “flat fish”).