OK, so those filler words and phrases such as “uh,” “um,” “you know” and “I mean” are not simply “dimwitted lapses in someone’s linguistic canon,” reports Pacific Standard. They are, according to research by psycholinguists published in the June issue of the Journal of Language and Social Psychology, clinically speaking, filled pauses and discourse markers. Before you dismiss someone as “totes valley” (What? That can’t be right.) for their manner, consider that may be, you know, just being conscientious.