If this law is called between two people that have agreed they are best friends then the person that calls the law is in a family related, relationship related, love related, school-related, or social related situation. After this law has been called the the opposite person of the one that called the law must help the caller until he/she says the name "Tim McGraw".
by George strait and Jones May 31, 2019
The best friend law is when you have a friend of the opposite gender and your both single around Christmas then you have to date
by Vexk December 19, 2021
Lol you’re just jealous Atiny I don’t want to be your friends because my in law is getting marry
Lol you’re just jealous Atiny I don’t want to be your friends because my in law is getting marry
by sdinaz October 24, 2023
When your best friend gets married to the person of their dreams and you’re also friends with that person. Kinda like usual in-laws but likable.
At the wedding Lewton stood up to give his best friend Fischer and his new best friend-in-law Kyla a congratulatory toast.
by KingLouie Daturd August 28, 2018