The part of your brain in which totally ridiculous and random ideas, thoughts, sentences, words are produced. Usually resulting in extreme hilarity or complete confusion among both the speaker and their audience.
Greg: What the hell are you talking about?
Charlotta: I don't know, it's my randomous cortex talking.
Charlotta: I don't know, it's my randomous cortex talking.
by lissylynn92 March 1, 2010