simple past tense and past participle of disappear into thin air

present participle of disappear into thin air

plural of thin-crust pizza

(US, UK, dialectal) Very thin (skinny).

Alternative form of spread oneself thin

Alternative form of no matter how thin you slice it, it's still baloney

(chiefly US) Regardless of how many clever points or fine distinctions one makes, what one is saying is still false or is still nonsense.