penisillin

Term usede to describe a male sexual organ that is in poor health. Derived from "penis" combined with the street slang term for something bad or broken, "illin."

That case of syphilis has got your penisillin.

by Led Zeppole November 23, 2003

Penicillin

A type of mycosis that grows on penis and is usually used as a medicine to cure several disease

"Since I had a headache, can you give me some penicillin."

"Let me grow some penicillin for you."

"Today is the day, my doctor will grate my penicillin off."

by Aemot November 16, 2022

Shot of penicillin

A nasty girl/guy that you more than likely give you a STD.

Would you ever date her no she's a shot of penicillin.

by Dr. Beckham August 8, 2020

Peniskillin

The application of time acquired skill of avoiding bacterial infections of all kinds.

I was peniskillin on the subway this morning.

by dblinder December 10, 2010

peniscillin

What a horny stud claims dat his love-juice is composed of if da chick whom he wants to copulate with says dat she doesn't feel well enough at da time to have sex.

Some antibiotics can be administered orally, so maybe you could give your gentleman-friend a blowjob and thus receive your dose of "peniscillin" dat way, even if you feel too yucky right then to let him in your pants.

by QuacksO August 23, 2025

Peniscillin

What you give your girlfriend when she isn't feeling good..

Girlfriend : Baby I don't feel good.
Me : you know what it sounds like you need a shot of PENISCILLIN.

by Jed420 November 20, 2025