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mmmmm. that "penis butter" was suberb!
by spann twin February 11, 2011
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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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
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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
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1. Lube or lubricant

2. Jizz, semen, sperm,
1. Hey man can u get me some penisbutter, me & Sarah are gonna get it on!( ͡° ͜ʖ ͡°)
2. OH YEAH Gimme that Penisbutter!!! OOH( ͡° ͜ʖ ͡°)
by Fucking.Duck May 27, 2015
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