Peniskillin 

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

I was peniskillin on the subway this morning.

Peniskillin 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.

peniscillin 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.

Peniscillin by Jed420 November 20, 2025