あっけにとられた (translations)→ disbelief dumbfounded
くだらない (translations)→ awful bad bosh flippin frivolous frothy insignificant pointless racket ridiculous silly slushy trivial vulgar weedy
くだらん (translations)→ bloody bull little lousy pesky piss-awful well
つまらぬ (translations)→ clumsy common minor ragtag unnecessary unsuitable
ばか (translations)→ changeling dummy fool horseshit klutz knucklehead nut pinhead prawn troll very
ばかな (translations)→ asinine dill fucked impossible witless
ばかばかしい (translations)→ ball bullshit damned fuck humbug idiotic ludicrous nuts rubbish shit stupid
ばかみたいな (translations)→ absurd stupidly
ろくでもない (translations)→ antic barmy fucking hellish stink tasteless wrong
トンマな (translations)→ careless dopey
悪党 (translations)→ bastard blackguard blaguard brute crook demon hard hood mugger pig ruffian scoundrel scumbag thug varmint
暗い (translations)→ black dark darkly dim dingy dire grief limited low melancholy murky pessimistic somber unhappy
下らない (translations)→ pettiness petty vain worthless
低能 (translations)→ moron prick sub
馬鹿な (translations)→ corny crazy stupid-ass
薄のろ (translations)→ cretin cretinous mutt
無言の (translations)→ darkling mute quiet unformed unspoken voiceless