An alert sound used to notify "stoners" when police are near. Related to the term "fed". This is a common noise to any Stoner.
Ooooiiii fed fed fed fed fed!!
by Mad Stupid Harlot. January 17, 2011
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When somebody says a statement that’s complete bollocks and you know it so after they’ve finished saying what they’re saying you hit them with the ooiii
Callum: “Yeah I’ve fucked 42 girls now, and I’ve got 2 lined up for next Monday. I’m a proper shagger me!”

Clayt: “ooooooiiiiii.”
by Seshlondon June 28, 2020
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