Lenz kills the Nucks' dog
he’d spent the next three days not leaving the trailer in the Spur, in a paralyzing depression of unknown etiology, lying on Tommy D.’s crusty-stained sofa and drinking Southern Comfort straight out of the bottle and watching Doocy’s snakes not move once in three days, in their tank
Context
Bruce Green's buried party catastrophe surfacing: three days of clinical-grade shutdown on the trailer couch. "Of unknown etiology" is the joke and the diagnosis at once — the reader has just been handed the whole etiology that Green's strip-mined psyche can't access. Paralyzed horizontal stasis, affect flattened to watching snakes not move.