amazing, mental, very good indeed. Used to describe objects or experiences rather than people. The addition of boy at the end can be used to add extra emphasis.
"Shall we go up the park and drink some Buckfast?
"Oh aye, its a potent day for it. Lets go"
"I scored some weed last night so take your pipe as well."
"Potent boy!"
by anna apple October 12, 2003
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