Top definition
A penis that is exactly 3.1415... inches long, or the value of the number pi.
Sleeping with my math teacher was disappointing as he had a pi-nis.
by meowlnir June 30, 2016
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Jul 23 Word of the Day
A tourist to sub-orbital or orbital space, through commercial space flight programs.
Jeff Bezos and Richard Branson alongside their crew became the first astrotourists, while visiting sub-orbital space in July 2021
by AxonL July 20, 2021
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3
A miraculous combustion or awesomeness. A perceptible interruption of the laws of nature, such that can be explained by divine intervention.
I gave her a mouthful of Pini
by 4Serious June 12, 2009
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4
1) Yeh Unl33t3st un-ub3r1st p3rs0n teh 1s.
2) Also the word Pini describes the expulsion of semen from a donkeys erect penis.
Omg look at that donkey! Its Pinulating!
by John October 20, 2004
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5
A penis that is the size of a pin. Also known as a Millimeter Peter.
"How was it last night with Mark?"
"I was really disappointed. I wasn't expecting him to have a pinis!"
by queefismylifesource September 16, 2017
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6
a semicensored version of the word Penis.
Pinis can often be mistaken for Penis, but its not really mistaken. Just if you want to be creative.
by GothicDeathVR2 August 07, 2008
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