This quote from a recent interview with Buzz should answer a few questions.
"We have a new album. We're taking the songs from that Melvins 1983 EP and did more songs, and we're putting it out as an album in the fall with Ipecac. It's our original drummer, Dale [Crover] playing bass, and me playing guitar. It's called Tres Cabrones. "Tres Hombres" means "Three Men," but this is "Tres Cabrones" which basically means "Three Dumbasses."