An abbreviation/blend word for good value. When something is galue it is said to be galueous. Other derivations include; gralue, shalue, nalue, talue, gralue, evalue. It can also be written and pronounced galoo.
Those Turkey meatballs were galue!
A slang in Guam used to describe filipino people, as in "tagalog".
Lanya dude, that brodie selling the pancit and lumpia is not Galu.