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1. The resulting feeling you get from listening to Radiohead.

2. When you cum so hard you resemble Thom Yorke, singer of Radiohead.
"Have you heard 'Paranoid Android'? It'll totally cause you to have a Yorkegasm."

or

"Last night, Jenny rode me so hard I totally had a Yorkegasm."
by discardedbard July 03, 2012
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