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 10, 2010
Get the In-law in-law mug.
When someone in your immediate family marries a police officer.
My sister married a cop. Now he’s my law-in-law
by omgwhiz April 13, 2020
Get the law-in-law mug.
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 6, 2011
Get the Law's Law mug.
When you're drunk as fuck and you try to be a cowboy
Person 1: It's time to law down the law, pardner
Person 2: Don't you mean lay down the law?
Person 1: Idk, man I'm high af
Get the law down the law mug.
A romance between a father-in-law and a daughter-in-law. Which sometimes happens especially when his wife is a bitch to him and her daughter ,which is his daughter-in-law, at the same time.
by The Fury 13 November 18, 2010
Get the Father-in-law daughter-in-law romance mug.