This friendly brand name is based on the word "thump" which is "the sound of something heavy hitting something". The name could be used by many business but in particular, businesses in music industry.
The name "thumpee" has seven letters and only two syllables. Two syllable names make popular global brands. Successful brands using two syllable names include Delta, Twitter and Starbucks.
Thumpee.com is a dot com domain. Dot com domains are the most prestigious top-level-domain in the world, famously used by websites like youtube.com. Owning a dot com says that you own the word "thumpee" online.