Good aggravation is the similar state of the term aggravation, but the difference is that it's for good intent
Anna was talking to Sarah, but Sarah is sad and want to be left alone. Anna tries talking to Sarah, making her feel better. Even though, Sarah was aggravated, it was a good aggravation because it made her feel better knowing someone was there for her.
When a woman who has braces on her teeth forgets to brush before giving felatio to her man. Sometimes a tiny arrowhead sliver of a nacho cheese Dorito gets stuck between her braces and causes pain and discomfort to the penis. Ow !!
Why you got that ice cold Michelob Dry bottle on your crotch ?