When you receive
news that’s so unbelievable and fantastic, you’d
think the person is capping.
The word is normally reserved for extraordinary news, rather than
mediocre news.
Person
1: I just bought Apple
Person 2: Wow, that’s captastic!
Eg2
The guy who was single his entire life: I just
got married
His friends: Yoo, that’s Captastic
bro!