Empty, confused, or exaggerated talk lacking meaning or substance; bluster.
Air that has been heated, especially so as to function as the lifting agent of a hot-air balloon.
Something foolish or valueless, especially written works and popular entertainment (movies, television).
An edible lichen, especially rock tripe.
The lining of the large stomach of ruminating animals, when prepared for food.
The entrails; hence, humorously or in contempt, the belly.
That (what has just been said) is untrue.