Top Definition

The annoying habit of interrupting a person trying to make a point or posing a distraction for those trying to understand said point.
Conference attendee 1 "Hans Rosling gave a compelling speech about the world's economy, did you catch it?"

Conference attendee 2 "No! Some heckler was grok blocking me!"

Conference attendee 1 "Too bad. It was very informative."
by Lisa Padilla April 18, 2008
5 Words related to grok blocking

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