Shit: rubbish, worthless matter, nonsense, bull.
A frothy mixture of lubricant and fecal matter as an occasional byproduct of anal sex.
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.