The Tagalog abbreviation Gg used to be short for Ginoo
(gentleman, mister). But these days, G. is preferred for Ginoo
because GG has come to mean galunggong (a fish) and even gago
(stupid).  G. Mendoza = Ginoong Mendoza = Gg. Mendoza Mr.
Mendoza  GG = galunggong a popular local fish  GG = gago a
stupid man