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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!
by MissNoodles June 23, 2006
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May 4 Word of the Day
A portmanteau of carpe diem, a Latin phrase that means “Seize the Day!” and DM, which stands for Direct Messages. This word means seizing the day via DMs.
Dude 1: Bro I just got Arnold Schwarzenegger’s number!
Dude 2: Carpe DM, bro, Carpe DM.
by LolWut098 December 30, 2020
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2
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 January 22, 2016
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4
If you are out riding in bad weather, it means you are a badass. Period.
The wind was howling and the rain bounding the tarmac, but a baddass bunch of rule 9ers carried on pedalling through the shitstorm that is the British summertime.
by AD828321 June 07, 2020
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