【俗】程度很深；很厲害（一般只用於“到”字後面，放在句子後部作補充說明）。佢明知自己唔啱，仲惡到飛起。（他明知自己不對，還凶得很。）│嗰度啲嘢貴到飛起。（那裡的東西貴得不得了。）

extremely or terribly (usually used as a complimentary term with another adjective to increase the extent of what is described); literally "flying up"; to abandon something or someone