BLS

Abbreviation for Black Label Society (a.k.a. The greatest band out there )who's front man is Zakk Wylde (a.k.a. The Guitar G.O.A.T.), who is bes known for playing Lead Guitar for OzzY.
We went and got our faces rocked off at the BLS concert.
by HoldenKochenbahls February 24, 2024
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BLS

Marcus left my stomach hurting after laying that BLS . (BIG LONG SLONG)
by KH504 April 14, 2023
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BlS Slug

An EMT that has no plans or aspirations to move up or improve on themselves. Typically (not always) middle aged or older.

This usually comes along with trying to take charge when not needed, even though many people are above them. Largely insufferable to work with
Person 1: Is that person a medic that was telling me how to bag that patient?

Persin 2: Oh no don't worry, that's just a BLS slug. They aren't going anywhere.
by Happy squirrel December 04, 2024
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BLS discharge

What happens when the male ( typically an EMT) counterpart of a couple ejaculates during coitus. Alternatively, the female EMT can orgasm, thus utilizing this terminology in a different manner.
Soooo… Hank and I were fucking the other night on shift, and he gave me a BLS discharge all over.

Hank was inside me after out shift, and he was pounding me so hard that he made me do a BLS discharge
by Namasty58 October 02, 2022
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free-BL

Having the appearance of a bbl but all natural
Terrence: woah! Did you get work done?

Gabby: no..?

Terrence: Oh so you just have the Free-BL
by Gabbyskip March 07, 2024
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