Abbreviation:
Self-Loading Baggage.

The Radar Intercept Officer or Weapons Officer in the two-seat fighter plane. The "back-seater".

Fighter pilot pride does not want to admit they need him.
(Even if they do) He's looked down upon, because he's not the pilot.
So there I was, streaking between the SAM-5s, dodging triple A all over the target, and my SLB doesn't release the damn thing!
by Emilio Dumphque June 10, 2008
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Don't be such an SLB, lift with me!

Suiss never goes to the gym, she's an SLB.

I took a tiny dump today because I'm an SLB!
by Sean "The Big Shigs" F. Lawlor January 20, 2009
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"Bro, we gotta cure our SLB"

"Yeh bro that shit is killing me"
by Shopska_salata November 2, 2022
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Function: abbreviation
Etymology: Slacker, Loser, Bed-wetter; 1) A person who shirks their duties or performs them poorly; 2) An especially inept airman in the 5th Combat Communications Group
I don’t want him in my flight; the SLB will get one of us killed!
by Lex February 1, 2005
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Pronounced "slabs"... stands for Straight Leg Bottom Shelf, which is a custom drink concoction that anyone can afford and revolves more around the execution of the drink than the actual ingredients. This drink is significantly enhanced by the looks and physique of the bartender taking the order. Bartender Execution - lock the knees, bend at the waist and select ANY ingredients from the bottom shelf, cooler or below the bar, ensuring a great view to the patrons!
Hot bartender, "What would you like?"
Discerning Patron, "I'll have a #SLBS" (pronounced slabs) or "I'll have a Straight Leg Bottom Shelf" - be prepared to explain the execution of the mixology
by T&A Consulting September 17, 2020
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acronym for so laid back

not very popular but occasionally used in md
"hey seth, whats good?"
"not much, im slb"
by maddcat April 12, 2006
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Send lotta bullets 💁🏾 ♀️
Or stop lovin bitches
You heard dat boi yea he said he apart of dem SLB’S
Omg he finna SLB one day
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