The answer is: And I'm going to show you that it ain't no trouble when you pack double."
Colloquialism is the use of vernacular language —which is the everyday usage of a language by common people. This includes common parlance and common expressions, as you would encounter them on the streets spoken by any given person, which manifest the peculiarities and modifications to which a language is subjected, morphologically and syntactically, in a certain period of time and place.
1. The whole class laughed loudly at the story.
complete subject: the whole class
complete predicate: laughed loudly at the story
2. The whole class laughed loudly at the story.
simple subject: class
simple predicate: laughed
3. Twelve hours passed without a word from any of the group.
simple subject: hours
simple predicate: passed
4. The workmen repaired the dam.
complete subject: the workmen
complete predicate: repaired the dam