to do a strenuous workout (running, lifting, etc) after a night of heavy drinking and debauchery in order to rid your body of any toxins or impure choices made the night before
can also be used as an adj "purity"
Yo man, let's go purify today. I had a rough night.
I could really use a purity workout after all those whiskey shots.
A really hot person, wich is the 1337 above all others on forum.hw.no. No doubt, he's the boss. Hail Purify!
Oohoh, there is the allmighty Purify again!