13th General Order of a Sentry

In the Navy and Marine Corp there are 11 General Orders of a Sentry, however there are an unofficial twelfth and thirteenth referred to by many.

RDC to Recruit: "What is the "13th General Order of a Sentry?"

Recruit to RDC: "To walk my beat, beat my meat, and fuck/shoot anything within 50 feet."

by Little Dickie January 3, 2009

spah's sappin mah sentry!

when a spy is sapping your sentry

A SPAH'S SAPPIN MAH SENTRY! WITH A SAPPER

by cheez0818 May 27, 2020

12th General Order of a Sentry

There are 11 General Orders of a Sentry, however there is a twelth refered to by many Navy."To walk my post from flank to flank and take no shit from any rank. If he is a chief I will let him pass, if he is an officer he can kiss my a**."

The 12th General Order of a Sentry is fairly close to the 11th in meaning

by EmilyElizabeth August 15, 2008

Sentry Heavy

A Heavy who has a strange addiction with sticking close to:
Payload Carts
Control Points
Dispensers
Small Corners.
They can slow the game down to a Crawl.

Heavy, move your fat ass!
Wow didn't know that Sentries could throw Sandviches!
Heavy, stop playing Bastion.
We've got Sentry Heavy incoming!

by Z̴͙͗̌'̷̹̊̚a̶̅̾͜l̸̺̥̆͋ǵ̸͚̒ọ̵̇ November 30, 2019

sentry gun

In TFC, a machinegun on a tripod that shoots on its own. Built by an engineer and avoided/destroyed by a disguised spy

"Somebody take out the sentry gun in the flag room!"
"We need a sentry gun in the flag room!"

by Anonymous June 2, 2003

Sentry

A guardian warrior of religon, to guard, or the act of being a guardian.

(1)The sentry stands alone, waiting for an enemy to come to close and fight.
(2)Is their a sentry lock on the doorknob.
(3)That empty car in the way provided a good sentry against the oncoming bus at the crowd of people.

by Mairsil January 20, 2009

sentry gun

Any stationary weapon capable of indentifying and assaulting individual targets without the aide of human operators.

"The sentry gun could track up to five targets simultaneously."

by Plagued July 30, 2003