A large dumpster that some stores use instead of regular dumpsters. Items are sent down a chute and then crushed. This way more garbage is storable, and so more stores are starting to use them. A compactor is also a dumpster diver's arch enemy.
Guy1: "Dude, I went to the mall last night to do some dumpster diving and all the stores are using compactors now."
by Synthic November 11, 2006
The Urban Dictionary Mug
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