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1 definition by penismith

 
1.
From "Horatio", UK rhyming slang = fellatio, from Horatio Hornblower, and "Orator" = Someone who speaks perfect English and uses perfect grammar.

To give eloquent oral sex, perfect fellatio or cunnilingus.
She (He) performed oratio like you wouldn't believe!
by penismith June 10, 2007