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1.
An injury inflicted on the gonads as a result of an unsuccessful attempt at rodeo sex. Injury may be inflicted either during or after the undermentioned act was attempted. Usually results in severe bruising of the affected organs and loss of conjugal rights for an extended or permanent period.
I tried to rodeo Sue-Ellen last night but she threw me and I got buckyballed.

Man, my balls are sore. I tried to rodeo Pammy and got buckyballed when she kicked me.
by cuksocker November 08, 2010