Lai lai

The mother-in-law to a person who is residing with the paternal side of the family. If the male partner is residing with the female's parent(s) then the male undertakes the woman's role and addresses his mother-in-law as his lai lai.

Wes has a lai lai.

Lai lai

A mother-in-law to a person residing with the maternal side of the family.

Wes has a lai lai and he serves his lai lai everyday.