Vifinition is a urban video dictionary where you can define words with a video from Youtube or other video service provider. Video definitions are voted by our users and the most populars are used to define a word. Vifinition is a new service but is growing more and more popular. Vifinition will host contest for best/most popular definitions so you better be tuned! Our newsletter contains vifinitions of the day and you can find them also from our Facebook page. Claim your own username by registering so you can be sure you get your favorite nickname before someone else claims it!