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9.
so be an awesome beast, of or like Michael Phelps, win an enormous amount of gold medals and be amazing
Omg he is phelpsing.(as someone is beating everyone else by alot)
by Jojo785 August 18, 2008
 
1.
v.

To smoke some pot, especially out of a bong.
When I go phelpsing, I make sure I have nothing important to do afterwards, because I'd be too high!
by Adam Dolch February 06, 2009
 
2.
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
 
3.
Verb:

1. To smoke herbs in preparation for a competitive event or in celebration of the victory of a competitive event
"Hey guys I'm Phelpsing right now I will be ready for the match in a few minutes."

"Bro, that was an amazing match, I am going to be Phelpsing with the good stuff tonight!"
by Hardluck December 25, 2012
 
4.
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
 
5.
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 diamond legacy March 29, 2009
 
6.
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
 
7.
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