peniscide 

the act of murdering ones penis
i.e. cutting it off
its like castration, but to your penis

martha commited a peniscide when john dumped her and now johns not gonna have kids

peniscide by niggasense March 6, 2005

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

Penisclerosis

A name in reference several no-life low-life males Cock Mungers that sit in a basement doing nothing except jacking each other off while watching movies Saturday night.

Singular: A Penisclerosi

Plural: Penisclerosese

The Penisclerosis Cock Mungers jacked eachother off while watching a Girls Gone Wild commercial.

Penisclerosis by boringtimes January 30, 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

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

penisive 

To be a penis, or to be difficult and hard to work with...

Jim: The sky is blue
Bob: why??
Jim: because the atmosphere makes it that way
Bob: Why
Jim: ... Stop being penisive you penis

penisive by octocat September 20, 2012

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