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To eat, the male genetalia(Balls). Root "gui" meaning to eat.

Jake ate Dres Balls therefore he guiballed.

" Hey fuck you guys guiballs" meaning fuck you eat my balls.

"keep pissin me off bitch and ill make you gui my balls"

"You guiballs so much, you are a guiball master!
by BigSexy54 August 30, 2009