Working out to the point where your muscles are just fuckin popping out of your arm! To have them vein up like Brad Pitt in Troy. Essentially an excited term to go work out
"Hey man, going on a date tonight, getting my swell on before I meet her"

Buddy: "Oh yeah bro..you are the man! have fun getting your swell on"
by meathead1236 March 16, 2011
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When you go to the gym to grunt and lift heavy weights in order to gain muscle size.
Its typical to grunt when you get your swell on at the gym!
by xxSweetsickness August 4, 2010
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