A word used to describe that 'drone of dread' often heard in movies or horror media. Used by Markiplier in his recent video on the horror game "From the Darkness" to describe the noise playing in the background.
That music is awfully.. shwumbly.
Markiplier's video, "ABSOLUTELY TERRIFYING | From the Darkness" at 31:09
adj. To be drunk, or for one to feel as if one is drunk.
n. Shwumblebum
Look how he's walkin'! He must be pretty shwumbly.