Yard biscuit- a rock (n.)

typically any normal "chucking" sized rock found in the yard. Helps to remove unwanted folk from around your damn house. Yard biscuits can be found in every yard in America.

"Get the fuck outta hea!"..
"Stop spinning those tires! You're throwing YARD BISCUITS!"
by goferitgirl December 20, 2016
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