Old, ragged out, shit box of a boat that no amount of horsepower will ever make it fast. Usually has a wet transom and stringers and TRS drives. Typically owned by bald, overweight middle aged men.
(Adj.) When something is monstrously monotonous; continuous and boring beyond almost all comparison.
1) Watching day-time TV is such a monstrous activity I would rather drill a hole through my eye socket with my own penis than bear another minute of it.
2) Sure, she's hot, but she talks such inane, monostrous, bullshit you'd get more fun out of fucking a buzz-saw.