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1. grow-op
noun.

Short form for "grow operation." Usually an extremely large warehouse set up to grow massive hydroponic quantities of marijuana.
The cops busted a massive grow-op in Toronto.
by RexGibson Jan 11, 2004 add a video
2. grow-op
Abbreviation for Grow Opperation.

A grow-op is an area used to grow several marijuana plants.
Apparently, Durham is a great place to grow pot. Get your hydroponics, it's time to start a grow-op!
3. grow-op
An illegal marijuana-growing operation.
Police say they found a man shot in the foot outside a marijuana grow-op at an Abbotsford, B.C., farmhouse on Monday night.
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