Related Clues:

• 1000 kilos
• "Maximum weight" unit, often
• Large load
• Bajillion
• Heavy duty?
• Unit of fun?
• 'Miuzi Weighs a ___' (Public Enemy song)
• Burden of responsibility
• Heavy load.
• Avoir-du-pois
• Burden, as of proof
• A slangy 100 mph
• Burden, responsibility
• A slangy 100
• The property of heaviness