1. Affectionate nickname for your significant other.
2. A couple who is overly cute and affectionate towards each other. They often display more than one of the following characteristics ad nauseam;
head on others shoulder or
lap, multiple smooches to the face, Eskimo kisses, rubbing or petting each other, embracing, coddling, whispering, staring longingly into each others
eyes, cooing,
hand-holding, and calling each other pet names such as schmoopie. They are often unaware of the disgust of those around them.