Occurs between two good friends (usually girls) on Facebook in which they converse back and forth on each others' walls therefore filling up your news feed when they could easily just be talking through text messages.
"Amy and Ashley have been friends since elementary school why do they keep neglexting all over Facebook?"
by tripleezy17 April 10, 2011
when someone fails to respond to a text message or series of text messages in an ample amount of time.
"I've sent her a few messages, but the bitch is neglexting me."
by Jimmy Tadeski January 07, 2008