Top definition
A steady, unending stream of useless emails/text messages between two people who both have to have the last word.
A condition affecting mothers the world over.
A: Ok, c u lata then.
B: Bye. Have a good time!
A: I will thanx
B: Ok c ya
A: Ok bye
B: Bye
A: BYE
B: Bye :)

A: man she's got total replyarrhea!
C: Yea, what a wierdo
by alrix December 31, 2008
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Jul 29 Word of the Day
Someone who used to be a potential girlfriend/boyfriend, but no longer is.
Tim: Zack, is that your exgirlfriend?
Zack: No, she's an expotential. We never actually dated...
by brownsuite September 24, 2011
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