When you piss in the sand and it creates a sand boondie made out of piss. One could say a yellow snow ball
Kyle: "Shit Damo.. that one hurt like a bastard.. you caught me square in me mouth mate.."
Damo: "Yeah, it probably tasted a bit funky too bro, it was a piss boondie"
by Savagely creepy December 8, 2022
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to be a native or do something native
Barry's bashing out his cat again, must be a boondi
by dAnKrObToP September 28, 2021
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A large rock that is below the surface of the earth.

A cause of Drillers grief.
Very hard to move when dug with a shovel (a machine may be required)
Driller: This hole is giving me a bit of grief... I felt a big Boondie down there, hope it doesn'tkick me of target too much...
Geologist: The hole has missed target, we wont be paying for that!
Driller: Yeah fuck me!! We hit a big Boondie down there and speared off...Fucking ground conditions mate...Run a survey mate you'll see it...Fucking joke.
by BigOx November 22, 2022
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Very big underpants or knickers otherwise known as Boondies worn by your old Grandmother, used to be called cottontails.
I am wearing big boondie undies waist high underpants). Boondies!
by Koko Beach January 23, 2016
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