When I go phelpsing, I make sure I have nothing important to do afterwards, because I'd be too high!
by lazyeye78 February 06, 2009

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."
Joe: "Nah bro, I'll probably be too tired after phelpsing."
by Joey Fizzle March 29, 2009

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.
or
John was phelpsing for 4 hours, he practically lived in the gym today.
by DanOOOOOOO November 06, 2008

Phelps me like you owe me money!
I phelpsed her so hard, bro!
Mallard of the Thick is like phelpsing my eardrums.
I phelpsed her so hard, bro!
Mallard of the Thick is like phelpsing my eardrums.
by ChazBono December 24, 2012

When you fuck a house up so bad from a party it causes future parents to say no to their kids when asked about having a party
“Hey did you hear about the huge fucking party mike had?”
“Nah what happened?”
“Like 150 people showed up and were phelpsing the fuck out of his house”
“Wow! Holy fucking dick cheese!”
“Nah what happened?”
“Like 150 people showed up and were phelpsing the fuck out of his house”
“Wow! Holy fucking dick cheese!”
by Ian the chink FTW March 18, 2021

by J-Money04 February 19, 2009

Moosh in Indy says she Phelpsed herself at the Indiana State Fair because of all the fair food she ate over 5 days.
by Melanie @ Mel A Dramatic Mommy October 12, 2008
