Like Secret Santa in that one person delivers something to another, and the recipient was unaware that it was heading their way. Except that the delivery is not a Christmas gift, it's an epic bollocking.

1) One of your friends or family will ultimately humiliate you and make you want to die on the spot. Secret Sergeant encompasses the art of working out which one of the fuckers it will be, eg- one of them is secretly waiting to tear you to shreds, Sgt. style, and the rest of them probably know about it.

2) If you're quietly waiting for the best moment to crush your friend's/lover's/sister's or otherwise acquainted or related person's world, and you have discussed it with others, you are the Secret Sergeant. The way you get your kicks is by not being discovered by your intended target, and getting that moment of sweet, sweet satisfaction when the unsuspecting person falls apart before your eyes. A good Secret Sergeant could wipe the smile off a leprechaun's face.
"One of them is going to go all Secret Sergeant about me running off to vegas and getting married....I need to know which one it is"

"He cried his eyes out. He didn't even see it coming, and I didn't care for his weak and pathetic tears. I went totally Secret Sergeant on him!"
by MagickDio February 17, 2010
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A boy (usually named Tanner) simps over a girl so hard that he gets kicked out of the boys.
Oh boy... Here comes Tanner “The Sergeant Of Simps”
by Rx.420 February 7, 2020
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Some of the most BAD ASS people ever made. Hard core muther fuckers!
Don't mess with the Drill Sergeant or he will fuck you up like a soup sandwhich!
by skin February 8, 2004
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The one person at a party that completely obliterates the vibe or mood of the party by saying something completelty stupid and or un-called for. Or the one person no one wants at a party.
You just spilt all of our alcohol...Way to go, sergeant buzzkill!!!

O shit, funs over. Here comes Sergeant Buzzkill!
by Jason Cass July 11, 2008
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Commander of the Pants Patrol; comprising Lieutenant Scrotes & Private's Plum 1st Class, & Plum 2nd Class (there's always one higher than the other).

A man's sex part
"Looks like Sergeant Sausage is ready to assault the Pink Valley!"

"Sorry, can't talk right now, Sgt. Sausage is deep in the enemy bush, ring me back later!"
by The Powers September 27, 2006
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The people who forge civilians into soldiers one step at a time. These people give up all of their freedoms to give new trainees/recruits their undivided attention for 6-13 weeks (depending on branch of service.)
You will learn how to be a Soldier through these Drill Sergeants.

From PFC Joseph R. DiPietro | Alpha Company, 1-34, 165th Infantry Brigade.
by PFC DiPietro December 8, 2019
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