What is the English translation for 劲爆?
I am native Cantonese speaker. 劲爆 comes from Cantonese.

劲 means strong/unyielding/tough/power. Similar to 厉害 in Mandarin.
爆 is a adverb, originally means "explosion", but here it means "very extremely", other example: 潮爆, 爽爆.