A fork of Rural Dictionary
a billy corgan induced orgasm, either by listening to his music, or looking at pictures of the man himself
"did you hear the final concert mp3 i downloaded, i was corgasming by the second set"
The orgasmic head rush that you get when you stretch after sitting for long periods of time. May also cause short blindness, and dizziness.
Man 1: Man this lecture went on for ever. *Man 2 Stretches and slightly twitches* Man 2: I'd say so, I just had a cerebral corgasm.