Some lawyers make a mockery of the court's proceedings.
If it wasn't for all the mockery, geeks would have a chance at being accepted socially.
"I could sense the mockery in his voice."
When it has a subject, verb, punctuation, capitalization, a predicate, and a complete thought. A sentence is a sentence when it is handed down by a judge (or a magistrate).
The subject and predicate carry most of the content of a sentence.