Top Definition
A phrase that describes a state in which anything is possible.
Commonly used during video games to describe a cheap or ridiculous death.
"By the Principles of Lag, I should be able to shoot this person, even though they are actually behind me."

"Dude...I was in the room the whole time. How did I not see you come in?"
"By the Principles of Lag."

"By the Principles of Lag, I will ace this biochem exam."
by zgriffin22 May 09, 2010

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