Você procurou por: the big lips are called labia majora (Inglês - Árabe)

the big rocks are called mountains, and the little rocks are their babies.
الصخور الكبيره تسمى الجبال والصخورالصغيره... هى أطفالها

here, you with the big lips, try these.
تفضلي، أنتِ صاحبة الشفاه الكبيرة، جربي هذه.

and by "that," do you mean the big lips or the big boobs?
هل تقصدين عن الشفاه الكبيره او الصدر الكبير ؟

and instead of the big lips, he had a really big nose, like a rat's nose.
و بدلا من الشفاه الغليظه كان لديه حقيقتا أنف كبير كأنف الفئران