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2.
A phrase used to describe someone who starts a texting or messaging conversation only to stop responding after a few messages
Theresa was conversationally impotent when she was making pizzas while logged into Facebook
by Ignoramous July 10, 2011
 
1.
A phrase used to describe someone who initiates a conversation only to stop replying a few messages later.
I talked to Jordan last night. He asked me how I was and never replied back, again. He's conversationally impotent.
by The Phoenix and The Selkie July 10, 2011