Someone who puts 100% serious definitions for the words that they submit, when they clearly don't understand that this is meant to be a fun website - not just a regular dictionary
I just witnessed 2 Serious Urban Dictionarians at work and i decided to post this
When a person having the name Dan (or some variation) changes the subject of a conversation, creating an effective transition (dansition) to the next topic. Generally started by the phrase "so anyways".