The act of trimming or grooming ones Facebook wall by deleting multiple and/or embarrassing comments or posts from the same friend, thus preventing older posts from "falling off" the page and thereby giving the impression that the individual has recently been interacting with a large and diverse group of friends and not just one overly-communicative friend or family member.

See also tweetscape
Jim's Facebook wall was in desperate need of a wallscape to remove his mother's frequent inquires about the status of his "bedwetting issue" so that his profile would better reflect the cool Freshman he saw himself as.
by Fitzroy August 18, 2009
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