A word used to describe something when fantastic just isnt manly enough.
Man 1: Dude I just bought 500 pounds of steak for the BBQ.
Man 2: Mantastic!
A word used to describe something that's "fuckin' sick" but you are too excited to say "fuckin' sick" correctly.
After observing someone destroy 3,000 enemies in 10 seconds in any graphically awesome video game:
"Dude that was sickenfuck!"
Compound word made from the words "awesome" and "sweet". Describes something that exceeds the qualities of both of those words. Usually when something good happens to the person saying it.
Girlfriend: Time for sex!
Boyfriend: Awesome sweet!