adjectival nouns or quasi-adjectives (keiyodoshi), nouns which may take the genitive case particle 'no', onomatopoeic or mimetic
1. crushed flat; flattened; squashed; flat-toppednoun (common) (futsuumeishi), colloquial, manga slang
2. flat-chested girl; flat chested girlnoun (common) (futsuumeishi), onomatopoeic or mimetic
3. sound of a sticky rice cake sticking to something