Top definition
Used in lifting weights originated from reddit.com:

You cannot criticize anyone's form unless you lift 90%+ of theirs.

The 90%+ extends to Wilks score to help normalize.
Good job - you can barely deadlift 200 and you are talking shit about someone who pulls 600. Rule 19.
by SoloX July 06, 2012
Get the mug
Get a Rule 19 mug for your Uncle Trump.
3
A rule created in 1903 by Merrick Gjertson stating that there can only be one girl per internet.
Rule 19, one girl per internet.
by Neb Good May 02, 2007
Get the mug
Get a Rule 19 mug for your father-in-law José.
5
A legally binding command to shut the **** up
Mitch McConnell: "Senator Warren, thats enough."
Elizabeth Warren: (persistent nagging and misuse of historical letter)
Mitch McConnell: "rule 19"
Elizabeth Warren: (silence)
via giphy
by OuchItBurns February 09, 2017
Get the mug
Get a Rule 19 mug for your dad Manafort.