"Wud-up" business name could stand for a slang of "what's up".
The name "wudup" has only five characters and just two syllables. Two-syllable names are highly rare and exceptionally desirable. Successful brands using two syllable names include Sony, Buffer and Boeing.
This domain was first registered in December 1999. Older domains have an advantage when ranking in search engines.
Wudup.com is a dot com domain. Dot com domains are the most prestigious top-level-domain in the world, famously used by websites like facebook.com. Once you own a dot com, it will be much easier to rank for your own name in Google.