1 definition by yourgrammarishorrible

When someone adds unnecessary letters to words. Letter Abuse is most commonly found on Facebook status updates of teenage girls. Letter Abuse serves no purpose other than to irritate anyone with at least a 5th grade education.
The following is an example of common Letter Abuse found on Facebook/Texting:

Heyyyy im so excitedddd about homecomingggg!
Going to the gameeeeee
Lets eat at Subwayyy laterrrrrrrr
spellingggg thiss wayyy makess meee lookk stupiddddd
by yourgrammarishorrible October 22, 2011
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