To cook for too long or at too high a temperature.
To do something to excess; to overdo.
To heat or reheat (e.g. food).
To reach, or cause to reach, a normal operating temperature (of a car for example).
To become warmer.
To do gentle exercise, stretching etc., in order to prepare the body for more vigorous exercise.
To make (an audience) enthusiastic or animated before a show
To prepare for an activity by carrying out a practice or preparation routine.