An exclamation portraying a triumph of any given subject matter. Can be used by itself or in a sentence.
Or it can be used as a excited greeting.
I just bought a new porsche....BLOUGHDUMB!
Bob says "Hi"
Megan says "BLOUGHDUMB"
Stacy says "Wow Megan, nice grill!"
Megan says "Thank you, BLOUGHDUMB"