penisillin 

What you give a girl to get rid of her "headache"

My bitch didn't feel so good, so I gave her a shot of penisillin.

penisillin by longdongjimmyjohn June 11, 2003

penisillin 

What imma be givin' yer mom tomorrow night

oh baby oh baby I need yer penisillin

penisillin by your benefactor November 21, 2003

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.

penisillin by Led Zeppole November 23, 2003

Penisilent 

When the male member starts disobeying orders

Marcia and Ben were seeking consummation until Ben's member became flaccid and penisilent

Penisilent by Clifhanger April 12, 2017

peniscillin 

When you are not feeling well or hungover and sex would help.

She needs a shot of peniscillin.

peniscillin by Amalia R October 24, 2006

Jewish penicillin 

Chicken soup, owing to its efficacy as a remedy for colds, flu, stomach problems, etc.

Bubbeleh, kim tzu mir*. Grandma's got Jewish penicillin for you! *"Kim tzu mir" is Yiddish for "come to me".

Jewish penicillin by pentozali January 14, 2006

Peniscillin 

The cure for the common "Can't have sex now honey, I have a headache!" excuse.

Boy: I'm on my way, hope you'll be dressed sexy and ready for me when I get home.

Girl: Oh honey, I can't have sex tonight. I have the worst headache. I must be coming down with something.

Boy: Don't worry baby, I'll give you the proper dose of Peniscillin which cures everything!

Peniscillin by HollyWood90027 December 27, 2010