To give somebody a rocket
Definition 1 of 1
Pro Tip 1/3Colloquial Use
This phrase is common in casual, informal conversations, often within British English. 
After making the same mistake, Joe got a rocket from the workshop manager.
Pro Tip 2/3Intensity Varies
The severity of the criticism can vary – sometimes it's mild, other times very strong. 
When she lost the tickets, her mum really gave her a rocket.
Pro Tip 3/3Not Literal
Don't misunderstand – it's not about actual rockets. It's a metaphor for a harsh talk. 
I thought I was getting a promotion, but I was given a rocket instead.