Top definition
abbreviation for police department.
by AERO9 July 10, 2008
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Jul 15 Word of the Day
The safeguarding of Earth and other worlds from biological cross-contamination (i.e. billionaires with too much time on their hands).

Also known as “planetary protection.” Planetary protection / quarantine “reflects both the unknown nature of the space environment and the desire of the scientific community to preserve the pristine nature of celestial bodies until they can be studied in detail.”

There are two types of interplanetary contamination. Forward contamination is the transfer of viable organisms from Earth to another celestial body. Back contamination is the transfer of extraterrestrial organisms, if such exist, back to the Earth's biosphere.
Billionaires are having a dick swinging space race while the earth experiences record breaking heatwaves that cause sea creatures to literally cook inside their shells. We need planetary quarantine.
by monkeylabor July 14, 2021
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2
It is an italian acronym which means "porco dio", frequently used in chat room or text.
Mario, dovv'è la bamba pd!?
by Lulz1911 July 07, 2011
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3
I got some PD last night and it was amazing, he fucked like a beast but was sweet and caring.
by 1234321234321 June 18, 2011
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4
Noun.
PD is basically an abbreviation of "Pussy Destroyer"
PD is normally added after a person's name to declare their dominance of "pussies" ( also called a vagina )
Hey, look at Huy PD. Oh hello Huy PD, it certainly is a nice day today.
by VeeZero September 09, 2012
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5
Pedophile Daddy Use for people acting like a perv or creepy.
Oh no, it's a pd! Or Dude pd is over there!
by Woowisnshs23 March 13, 2018
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