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1.
The experience of sublime pleasure achieved through erging (see erg). Used in an ironic sense, since erging is, in fact, quite painful to the participants. The transcendence of the pain into pleasure is ergasm.
Have you had your daily ergasm yet?
by cavetroll December 11, 2007
 
2.
the euphoric high after getting off an erg machine. After a long hard erg piece and as you get off and it feels like you had 3 hits of acid and your jackeedd.
today after erging i had the greatest ergasm ever, i think i was bouta bust in my pants
by rower101 May 13, 2010