To express feelings of pain, dissatisfaction, or resentment.
To creak or squeak, as a timber or wheel.
To make a formal accusation or bring a formal charge.
To become proud. (Often written as puffed up with pride.)
To inflate with air.
To swell due to injury or illness.
To fluff up, such as an animal raising its fur or feathers to appear larger or conserve body heat.