Malala is Coal in Samoan and Fatu is Heart, so the translation would literally be Coal Heart. I have not come across this expression before, but Cold Heart.
Fa'amalosi
ringworm
Atigi figota
Ua a mai oe ?
"Good" or "It's good"
Killer Whale I think
Mata aulelei
Goodbye; farewell.
If you mean "Manatua", it's remember.
Na a mai lou aso?
Saili le malosi
Tupu o Tupu