penicillin

something you give a girl when you like her, but she doesn't like you.

"I gave her penicillin, and she said we could be more than friends!"

by satya November 17, 2004

penicillin

when a girl is ill'n for the penic, she is penicillin

when a girl really needs a penis in her mouth or vag, she is penicillin.

by tahoenyer January 2, 2012

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

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

peniscrillan

the stuff that you get started with when "it could get crazy" that night

When you holla at Stinko #5 at the Supa Pharmacy and ask for peniscrillan, he says, maiinn hol up, ta mot?.

by Dre-dizzle April 10, 2005

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