A mathematical equation representing productivity (especially on all nighters). It is as following:

P = (1/C*S)(E)

Where P is productivity, C is the catchiness of the song playing, S is sleepiness, and E is energy drinks consumed in the last hour.
Bro 1: Man, I had a shitton of homework last night.
Bro 2: Did you at least get it all done?
Bro 1: Law's Law, bro.
by MonsieurLaw December 05, 2011
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Your spouse's brother's/sister's spouse. Basically someone who will never be related to your kids, so you don't have to give a shit about. The feeling is mutual.
Your Wife: "My brother Todd's wife is such a cow!"

You: "Who gives a rat's? She's my in-law in-law."
by Uncle Des August 09, 2010
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The act in which you are brutally honest with a friend, mainly about their crush/partner etc., as they're blinded by their own 'romantic' feelings. No feelings are spared just cos you're friends.
"I am gonna Will-Law you. He is not worth it, he's just plain rude."
by ChaiKittyBurps July 13, 2021
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Teacher: You didn't show your work on the homework
Student: It doesn't say "show your work," so by law I don't have to
by malignanttumour May 13, 2019
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People who don't like you and are constantly talking about you, spreading slander on Urban Dictionary!
Oh, you haven't met (insert word) until you've met my in-laws!
by This is crazy March 31, 2013
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