Wiktionary has UK slang definition of rocket of "A severe reprimand; a telling-off." I found quotes for "put a rocket up" that suggest it is UK slang. And pret

Wiktionary has UK slang definition of rocket of "A severe reprimand; a telling-off." I found quotes for "put a rocket up" that suggest it is UK slang. And pretty common since BBC has article for "How women students put a rocket up Cambridge".