Like a ton of bricks
Definition 1 of 2
Pro Tip 1/3Expression of Anger
Used when someone reacts with strong emotion, usually anger or disapproval. 
When she cheated in the game, her friends came down on her like a ton of bricks.
Pro Tip 2/3Metaphorical Weight
Implies a heavy, overwhelming force or impact, often used metaphorically for an emotional or verbal barrage. 
His critique was so intense; it felt like a ton of bricks had fallen on me.
Pro Tip 3/3Unexpected Consequences
Suggests sudden, harsh repercussions for something done wrong. 
After the prank, punishment from the school came down like a ton of bricks.