You're in a meeting. Again. It's like you're stuck in a Groundhog Day loop, but instead of Bill Murray, you're stuck with your coworkers.
Step 1: Pretend to take notes
Grab a pen and start scribbling. Who knows what you're writing, but it looks important.
Link to Step 1: Pretend to take notes for more advanced techniques.
Step 2: Make a sudden, dramatic exit
Stand up, knock over your chair, and shout 'I'm out of here!' while flailing your arms wildly.
Link to Exit Strategy for even more extreme methods.
Step 3: Fake an emergency
Claim your cat is on fire or your house is about to be repossessed. The more outlandish, the better.
Link to Emergency Exit for more ridiculous scenarios.
And remember: the key to a successful exit is to always keep your wits about you.