Rant and rave
Definition 1 of 1
Pro Tip 1/3Strong Emotions
Indicates a person's intense feelings, often suggests loss of control. 
My father would rant and rave whenever we left the lights on.
Pro Tip 2/3Negative Context
Usually connected to complaints or criticism, not positive statements. 
The boss began to rant and rave about missed deadlines.
Pro Tip 3/3Informal Expression
Used in casual conversation, not in formal or professional writing. 
He always rants and raves about the traffic in the city.