This futuristic business name is based on the word "mad". The single "V" letter could stand for "virtual", "viral", "volume", etc.
Madv has only four characters and just two syllables. Two-syllable names are extremely rare and highly sought after. Successful brands using two syllable names include Google, FedEx and Starbucks.
Madv.com is a .com domain. Dot com domains are the most valuable domain extension in the world, famously used by websites like twitter.com. Owning a .com says that you own the word "madv" online.