From Wiktionary, the free dictionary
kynsin (“with nails”) ja (“and”) hampain (“with teeth”)
- IPA(key): /ˈkynsin ˈjɑ ˈhɑmpɑi̯n/, [ˈk̟yns̠in ˈjɑ̝ ˈhɑ̝mpɑ̝i̯n]
kynsin ja hampain
- (idiomatic) tooth and nail (viciously; with all one's strength or power; without holding back)