An Uh-huh(noun) refers to a person that is an idiot or moron. An Uh-huh always lacks common sense and often are illegal immigrants who moved to another country with preperation.
The term "Uh-Huh" originated from idiots always saying "uh-huh" to anything that is said to them.
Person with many nice cars, custom fixed cars. Baby calls himself the #1 Stunna for winning all the car shows with his custom fixed up cars. What he does is called "stunting." Also see the Big Tymers song called 'Stuntastic'