Drunk Savant
A phenomenon in which someone actually becomes more intelligent and coherent when he becomes drunk, often spewing direct quotes and sources that he could never cite when sober.
John: Wow, I had no idea Sam was so smart, he was quoting whole speeches from Shakespeare last night.
Ralph: Dude, Sam was totally wasted last night, he's a complete drunk savant.
Ralph: Dude, Sam was totally wasted last night, he's a complete drunk savant.