It sounds like you're referencing a unique blend of topics: the Blue Streak missile (or possibly the film Blue Streak with Martin Lawrence), a Punjabi cultural reference ("Bhola Te Mirza"), and a birthday in Munich ("Geburtstag Muenchen").
The cake was a monstrosity: black forest on bottom, gulab jamun on top, and a single sparkler shaped like a missile. On the icing, someone had written in broken German-Punjabi: It sounds like you're referencing a unique blend
"Tonight," Mirza announced, holding a bootleg DVD of Blue Streak dubbed entirely in Punjabi by a guy in Ludhiana who’d never seen a cop movie, "we watch the greatest heist comedy of all time. But first – cake." But first – cake
Mirza raised his glass. “ Prost , Bhola. Sat sri akaal . And happy Geburtstag – Munich style, Punjab heart.” And happy Geburtstag – Munich style, Punjab heart