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5.
when you have swamp ass and from under cheese and it mixes together.
In gym class I had so much Penis Butter cooking up,it started to smell and drip.

Dude never smell your Penis Butter, EVER!

Gross,did you hear that John Kirk actually thought Penis Butter was like Apple Butter so he put it on his toast and ate it.
by tophieCC September 03, 2009
 
1.
Any penis juice that you want it to be (Also simply slang for peanut butter)
From a song from the 60s by Archie Bell and the Drells: "Spread it on thick like penis butter and sperm"
by Andy1 January 19, 2004
 
2.
semen
after i fucked the skank, she had my penis butter all over her cunt
by the sperminator July 28, 2003
 
3.
the French mispronunciation of peanut butter
Just because I eat penis butter doesn't mean I'm a fuckin' cocksucker.
by kwang June 09, 2003
 
4.
The substance that you spread on the vagina toast.
mmmmm. that "penis butter" was suberb!
by spann twin February 11, 2011
 
6.
The sticky film of sweat and other unknown substances that clings to a man's gentials on a really hot day.
Since it is so hot today I will scrape some penis butter from my penis for a sandwhich.
by ugandarox June 19, 2003
 
7.
Another name for cum!
Can I get a side of penis butter with my blowjob?
by That hoee February 21, 2013