Top definition
A port located at the Southeastern edge of S Korea. Lots of great sea food, and shopping to do. Could be labelled as the San Francisco / Boston of S Korea.
Man, I ate raw fish at a restaurant in Pusan. It tasted great!!!
by RedDevil July 13, 2003
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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
Alternate word for the male ass crack. Popular in many gay communities as well as college frats.
Bryce: "Dude I'm about to go get laid by Pusan"

Michael: "So in other words your going to go stick your dick in that black guys ass again?"

Bryce: "Yes I guess you right"
by Norcal41 November 19, 2009
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3
A place where high teas and good advice are always at service!
Susan: "This putella is amazing with a soreo"
Patricia: "Ahh yes the joys of a Pusan high tea!
by Snapfam May 11, 2017
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