あほ (translations)→ boofhead knucklehead noddy pinhead
とんま (translations)→ blob dork dullard klutz turd
とんまな (translations)→ coltish foolish stupid thickskulled
ばかな (translations)→ asinine bosh dumb fucked impossible ridiculous witless
ばか者 (translations)→ bonehead nudnik
間抜け (translations)→ dolt duffer fucker jerk mutt poltroon prawn stupidity
能なし (translations)→ deadhead no-brainer