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2. 30 Second Rule
In the case of not knowing exactly how long to keep smaller portions of food in a microwave oven, the general rule of thumb is to tap the "+ 30 Seconds" button on your microwave.
How long should I put the quesadillas in for?" "I dunno, 30 second rule?
1. 30 second rule
Taking 30 seconds to think before you say anything, because 99% of what you say right away is stupid.

This is most commonly used in the World of Warcraft.
"Raloth, 30 second rule!!!"

"Shut up Raloth, 30 second rule!"
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