Adjective used to describe a Metrosexual male who is looking his finest. Can also be used to describe something associated with a Metrosexual male such as his haircut or new shirt.
1) A person of the male persuasion portraying feminine qualities or accessories. Usually used in a sarcastic fashion.
2) A particularlyexceptionalsexual encounter with a male
1) Wow John, that bag you're carrying is mantastic!
2) Susan: So, was he any good?
Jane: Yes, it was mantastic!