Related Clues:

• Pulls from behind
• Goes on and on and on
• Party poopers
• Coffin covers
• Grows tiresome
• Goes really slow
• Becomes wearisome
• Progresses at a slow, boring pace
• Tows
• Gloomy covers
• Gloomy atmospheres
• Shrouds
• Gets ready to drop?
• Pulls along the ground
• Goes too slowly