Top Definition
Always carry a knife

(originated from S.A. Gibbs' unwritten list of Rules, as per NCIS)
AGENT: Thank god for Rule 9! Now I can cut off these ropes!
#rule 23 #rule 12 #ncis #gibbs #crime
by MissNoodles June 23, 2006
From NCIS tv show agent Gibbs. Always carry a knife.

A rule worth knowing.
What if I get into something i can't get out of. ....

Rule 9 : always carry a knife, you can cut yourself out of anything.
by nothing is real May 04, 2016
There is no rule 11
Guy:..... Wait where is rule 11?
Guy 2: Rule 9
#rule #34 #12 #232 #3123123 #1321312 #31 23123
by Dr. Crowley January 23, 2010
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