Like a bat out of hell
Definition 1 of 2
Pro Tip 1/3Intensity Metaphor
The phrase uses the imagery of a frightened bat fleeing suddenly and rapidly, often picturing a desperate escape. 
When his name was called for the audition, Jake shot out of his seat like a bat out of hell.
Pro Tip 2/3Colloquial Power
Considered informal, best used among friends or in casual settings, not in formal writings or speeches. 
The kids raced like a bat out of hell as the bell rang for recess.
Pro Tip 3/3Avoid Hyperbole
The idiom is exaggerative, so use it for effect, not as a literal description of speed. 
She grabbed her phone and left the cafe like a bat out of hell when she realized the time.