A creative play on the expression "mail us" turned into "meal us".
Mealus has only six characters and only two syllables. Two syllable names make popular global brands. Successful brands using two syllable names include Starbucks, Honda and Ikea.
This domain was first registered in April 2011. Older domains have an advantage when ranking in search engines.
Mealus.com is a dot com domain. Dot com domains are the most desirable domain extension in the world, famously used by websites like twitter.com. A dot com is the first thing people think of when they think of a website.