
1) Administers narcotics 2) Administers opiates 3) Birdbrains 4) Blockheads 5) Cheats at the Olympic Games 6) Chowderheads 7) Drugs 8) Dunderheads 9) Foolish ones 10) Knuckleheads 11) Lunkheads 12) Ninnies 13) Nitwits 14) Numbskulls 15) Saps 16) Simpletons 17) Thickwits 18) Unlikely brain surgeons 19) Uses steroids 
Found on 
https://www.crosswordclues.com/clue/dopes

1) Cretins 2) Schnooks 
Found on 
https://www.crosswordclues.com/clue/dopes
  No exact match found.