Generally used in programming terms. Means to add something to a string or variable.
Append " dictionary" to "urban".

PHP Example:
$var = "Urban";
/* append to var */
$var .= " Dictionary";
by suspended chaos September 18, 2004
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An agonising, unwelcome, erect, inflamed penis causing havoc inside your body.
Though normally flaccid, Tom's appendix throbbed vigorously causing appendicitis.
by Spongebob Shit Pants May 12, 2020
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