After a guy finishes it takes him 20 minutes to get it up again.
Jess: "Is the 20 minute rule up yet?"
Josh: "No."
by Raab70 December 8, 2008
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The rule which gives you legal right to leave your place of employment when 20 minutes has transpired since your boss has left the building.
"Dude, my boss just left!! 20 MINUTE RULE is in effect!"
by Kristine December 15, 2004
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A guy will not and should not drive more then 20 minutes to see a girl unless there is at least a 75% chance he will hook up.
Girl: Hey you should drive out here and see me!
Guy: umm idk its like a 30 minute drive
Girl:oh come on, dont worry i know the the 20 minute travel rule
Guy:ok on my way
by Privdonut2 May 30, 2009
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