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When you finger a chick, moving your fingers back and forth inside her, like a swimmer's legs.
Phelps me like you owe me money!

I phelpsed her so hard, bro!

Mallard of the Thick is like phelpsing my eardrums.
by ChazBono December 24, 2012
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to Phelps

Getting super H and go swimming in a pool.

Guy 1: Have you seen Chad?

Guy 2: Ya, after he took all those pictures of himself ripping that steam roller he's been doing laps at the Y.

Guy 1: Man that guy's all about Phelpsing.

Guy 2: I can't believe you used that word you tool.
by lodge_man69 February 14, 2009
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the act of vigorously training in the water. Including swimming drills, laps, or any water activity of high intensity.
Ben: "Hey Joe, are you coming tonight to play some pong?"

Joe: "Nah bro, I'll probably be too tired after phelpsing."
by Joey Fizzle March 29, 2009
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The act of either eating a lot or exercising a lot.
I just got done phelpsing, I just had 8 eggs, 5 pieces of toast, and half a pound of sausage.

or

John was phelpsing for 4 hours, he practically lived in the gym today.
by DanOOOOOOO September 22, 2008
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To reach maximum greatness, to be the best anything ever, achieving 8 gold medal
I saw you out there your phelpsing the shit out if this event
by Hoppeman August 16, 2008
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When someone wets you so hard, it's like watching Michael Phelps kill his competitors in Olympic swimming.

Aww boy that's all you got? he was phelpsing on yo' bitchass.
by G-race the mad italian August 22, 2008
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