To speak caballá is to talk nonsense, rubbish, or lies. It is also used to describe a screw-up or something done poorly (in the Dominican Republic, the term is a shortened version of caballada, implying something clumsy).
Nonsense or empty talk. Derived from the word for empty, it refers to a conversation or statement that is superficial, vain, and lacks any real substance (in the Dominican Republic, it is synonymous with pluma de burro, a phrase used to describe something trivial or nonsensical).
A bullshitter or someone who talks a lot of nonsense. It describes a person who is annoying, unreliable, or full of it (comes from paja, which means straw or nonsense, but also refers to masturbation).
Nonsense, rubbish, or gibberish. Used to describe someone who is talking crap or saying things that lack logic (the term refers to the Basque language, which historically sounded unintelligible to Spanish speakers).
A collection of small trinkets, charms, or accessories attached to an object. It refers to the cluttered look of having too many items hanging off something like a phone, bag, or piece of jewelry.
My cell phone has a bunch of cambalaches hanging off it.