an unrelenting storm of impending shares that leave you happily spent and depleted. Meanwhile leaving everyone else creamed in shit they don't understand. Typically seen with a flood of Instagram DM's or group chat topics.
Guy 1: Nelson just had a sharegasm.
Guy 2: What do you mean?
Guy 1: He just shared like 30 pictures that don't make sense, and is now sleeping with a smile on his face.
Guy 2: What do you mean?
Guy 1: He just shared like 30 pictures that don't make sense, and is now sleeping with a smile on his face.
by leche82 September 1, 2016
Get the Sharegasmmug.