Definition of tripes:
(n) :
(figurative, derogatory) Something foolish or valueless, especially written works and popular entertainment (movies, television).
(n) :
The lining of the large stomach of ruminating animals, when prepared for food.
(n) :
(chiefly in the plural) The entrails; (by extension, humorous or derogatory) the belly.
(n) :
An edible lichen, especially rock tripe.