Top Definition
The time of night on twitter when the greatness per tweet is at its highest. Starts nightly at 12:47am and goes until daylight. The purpose is to keep the timeline from dying for fellow insomniacs. ~twitter after dark~ has its roots in Omaha, Nebraska. Founded by lostattsea.
I fell asleep before ~twitter after dark~ started I'm so soft!
by lostattsea July 20, 2012
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