1. crushed flat, flattened, squashed, flat-topped

adjectival nouns or quasi-adjectives (keiyodoshi) nouns which may take the genitive case particle 'no' onomatopoeic or mimetic word

2. flat-chested girl, flat chested girl

noun (common) (futsuumeishi) colloquial manga slang

3. sound of a sticky rice cake sticking to something

noun (common) (futsuumeishi) onomatopoeic or mimetic word