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 

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

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

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

peniscillian

The medicine of healing a womans body using your penis ejaculate.

My woman was feeling sick, so i prescribed her 500mg of peniscillian, to be taken orally, 3 times a day.

peniscillian by Imprint July 16, 2008

penichillin'

A euphoric state of one's body and mind in total relaxation due to the use of antibiotic drugs.

The doctor said I had a parasite and thanks to the meds they gave me, I'm just penichillin'.

penichillin' by Johnny Shortwicks January 1, 2012