A special "treat" offered to a diamond-hoarding cougar by a common Home-Depot worker (or any other garden outlet). After recieving the "banana plant" you'll go home with an awkward itch....
"Can I offer you a banana plant ma'am?"
"NO... that's disgusting!"

"Girl, you just got banana planted at Home-Depot!"
by JCBluvsfruit July 28, 2009
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