Top Definition
The tingly feeling both males and females get when they see Michael Phelps' abs.
Chick 1:HOLY SHIT MICHAEL PHELPS
Chick 2:Mmmmmm ooooh ahhh
Chick2: I know, I'm having a total phelps-o-gasm too!
by HannahHorton December 22, 2008
8 Words related to Phelps-o-gasm

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