Peacocking is the action or actions exhibited in the beginning stages of courting. These actions are typically only temporary and exist during "the chase" of a mate. Much like a male peacock displaying his fruitful colors of his feathers to capture the attention of a mate.
For example, Bob, while dating Jane, paid for dinner, brought her flowers & candy, won prizes for her. However, after confirmation of a mutual relationship (boyfriend/girlfriend) all actions taken to impress Jane are now gone. Ergo, Bob was peacocking. courting dating