Colubumsing (v.)- The act of taking over property which does not belong to you.
My friend's brother is away at boarding school, so she's sleeping in his room now without his permission. She's totally columbusing it, dude!
by Harunei January 27, 2013
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When a non-white racist posts a definition on Urban Dictionary and uses his ignorance of post-Moor-invasion Spain to act as though he's being clever by ripping white people for claiming old shit as their own.
Dave: "Hey, bro- check out this ignorant definition in the Urban Dictionary-- this dude thinks Columbus was white and he's pretending that only white people claim old shit like they invented it."
Jamal: "Hang on, I gotta finish this beat I made out of an old Lynyrd Skynyrd sample for this album I'm burning so Rihanna can put her name on it... Oh, damn! Yeah, even I have to admit he's Columbusing that shit."
by AverageWhiteMan October 14, 2014
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To do something that no one has ever done before.
1.Often used when describing having sex with a virgin girl.
John: "Yo i heard you got with that abstinent girl over the weekend, is that shit true?"
Phil: "Yeah man, i was straight columbusing that bittie!"

Bob: "Dude you know that hot but like really conservative girl that says she's saving it for marriage?"
Jim: "Yeah what about her"
Bob: "Saving it for marriage my ass, i just columbused that shit."
by Jay Bonz January 23, 2008
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When you use your hands to touch another person sexually after they are sleeping. Or when you use your hands to touch someone sexually for the first time.
Last night I told my wife that I was going to go Christopher Columbusing on her while she slept.
by NickM808 September 18, 2017
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To stumble upon someone's property and taking it without permission.
"I stumbled upon someone's property and I Christopher Columbused it".
by Decolonized December 9, 2021
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When you see a new meme on Facebook or insta or something and you claim it as yours.
Aka you "discover" a new meme and save it to your phone.
Me: *sees a new meme that i like*

Me: "Yes I am Christopher Colombus and I'm Columbusing this meme thank you"

*saves meme to phone never to be seen again*
by broyledbroccoli November 9, 2019
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The act of columbusing refers to being the first (famous) white person to “discover” something or somewhere that non-white people (and some white people) have known for a while. Popularized in a CollegeHumor skit, it references how Columbus is credited for “discovering” the New World in 1492, although there were already ingenous people on there, and besides, vikings had already reached the Americas centuries before.
Twerking has been around since at least the 90s, but it only entered the public conscious after Miley Cyrus got away with columbusing it.
by the riverside August 12, 2023
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