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Rule of thumb

An approximate way of doing something based on presumptions rather than fact. Contrary to popular belief, the idea the law once allowed a husband to beat his wife as long as the device was no thicker than his thumb is false, as such assaults were outlawed for centuries in common law, although the ban wasn't generally codified in written law until the 1980s.
A driver kept going 5 mph over the speed limit, thinking the police had a rule of thumb that it was a waste of time to give out a ticket to anyone going anything lower than that.
by BlastFurnace February 27, 2025
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5 year rule

A rule that says a couple should not have kids within the first 5 years of their relationship or marriage.
Damien: I love our kids, but they are too much trouble

Tasha: I know, it's hard work

Damien: We should've followed the 5 year rule, and not have them very early in our marriage

Tasha: Agreed
by chanceplan314 October 11, 2024
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Patton Rule

The unspoken rule amongst guys that when needed your wingman will jump on the grenade and take one for the team.
Guy one: c’mon man, I know she’s fat but her friend is hot and she’s into me.

Guy two: are you invoking the Patton Rule?
Guy one: if you take that grenade I’ll owe you big time.
by O.D.B.O.D'd January 21, 2019
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Prison rules

The philosophy that if you don’t fight, people will just keep fucking with you; An environment, such as a school or work place, where there is little to no supervision, rules aren’t regularly enforced, and/or the only way you get people to leave you alone is by standing up for yourself.
by SiL3Nt J September 13, 2023
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Rule infinity

If there is a number that has no rule you have to make a rule for it
22222222222 has no Rule, now i have to make because of Rule infinity
by Liriliththeboy September 19, 2020
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mutt's rule

no matter what you are talking about, at some point an american will bring up race (often in a sexual context)
nobody:
not even a single soul:
american: "do you classify yourself as having hispanic or latino descent?"
me: "oh, gee, mutt's rule at it again"
by Stopspyingonme January 11, 2021
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Rule 34

Fortnite rule against saying "Helo" if you don't believe me, search Fortnite Rule34
Person 1: I violated fortnite rule 34, and got banned!
Person 2: LOL!!!
by Fishy214 December 16, 2023
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