That feeling you get which tells you that something you're spending way too much time on is very important, yet moments after you complete it you feel like you've wasted your time.
Malgamation of the words Bleak and Dark insinuating soemthing so horrendous it is beyond description of the above words individually so they are used collectively
The most common noise emitted by a whale, specifically one of female gender. Over time the word has become used to refer to the actual whale itself as well. The weapon of choice for hunting whales is the harpoon.
(1) As a noise emitted by a whale:
Eric: "Hey ladies, how's it going?"
Whale 1: "Blark?!"
Whale 2: "Blark?!"
Pat: "Sweet!"
(2) As a reference to a whale
Justin: "Yo Ahab, want to harpoon that blark at your 6?"