pack rat

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pack rat

A person who collects and hoards worthless items. Primarily heard in US. My old roommate was such a pack rat that, after six months, I could barely walk through the living room without tripping over his collection of junk.
See also: pack, rat
References in periodicals archive ?
Pack-rats, by the way, are not limited to the home (See the article "Hoarding Disorder" on page 16).
Journalists are notorious pack-rats, and we especially love to save paper.