mega

1. ADV Young people sometimes use mega in front of adjectives or adverbs in order to emphasize them. 的确[非正式] [usu ADV adj/adv]

He has become mega rich. 他已的的确确变富了。

2. ADJ Young people sometimes use mega in front of nouns in order to emphasize that the thing they are talking about is very good, very large, or very impressive. 巨[非正式] [ADJ n]

...the mega superstar Madonna. ...超级巨星麦当娜。