"Slappy dog" is usually used to describe a person or behavior that is dishonest, unreasonable, dishonest or does not follow the rules. The word suggests a pattern of behavior in which someone frequently tries to avoid responsibilities, deceives others, or is unwilling to fulfill one's obligations.

When we say that someone is a "cheap dog", it usually means that they are dishonest, unreliable, may deliberately delay, To shirk or break a promise. This adjective has a slightly derogatory connotation, emphasizing the undesirable nature of this behavior.