you're so swum
by sheeleen January 22, 2011
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You those lime-green Puma's are SWUM, gee.
by Jeff December 7, 2003
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Slang meaning, "converted to Roman Catholicism." The Tiber being a river that runs through Rome and thus "swimming" over to the Vatican side.
Guy#1: I've never seen you before, Are you new to this Church?

Guy#2: Yes, I've just recently swum the Tiber.

Guy#1: Oh, congrats, what were you before?

Guy#2: Anglican.
by McCloskey April 7, 2011
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To swum at a person or to be swum; it is a swear word. Swum means that you are either an idiot or just plain annoying.
Fred: OMG THE WATER'S WET!
Bob: What a swum.

Boss/Paul: FINISH YOUR WORK BY YESTERDAY!
Robby: Dude, he's totally swumming me.
Bob: I know dude, totally.

Ted: Yeah, he swumed her so much.
Lary: Really? I had no idea. I thought she really liked him.
Bob: No, he was such a swum.

Craig: OMG! I LOVE CAKE!
Bob: What a swummer!
Paul: I know. He's such an idiot he should be doing his work!
by MadThree April 12, 2011
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The ejaculatory process while swimming in a pool or body of water.
John likes to go swumming at the beach late at night.
by 6969yourmom July 8, 2017
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