tumbā raś
"very crowded / full" in spoken Kannada is tumbā raś. It's a adverb + noun that you'll first encounter in Lesson 14: I'd Recommend the Masala Dosa of the KannadaMaadi course, where Anu and Ravi use it in context.
Grammar note tumbā 'very' + English 'rush'; colloquial Bengaluru usage
Heard in a real Bengaluru conversation
Words land faster when you hear them inside a real sentence. tumbā raś is used in Lesson 14 (I'd Recommend the Masala Dosa, CEFR A2) — a short audio conversation between Anu and Ravi set in a recognisable Bengaluru situation.
Open Lesson 14 →