Geeky jokes are the best medicine

[Mithalwen]

Originally Posted by Lindale

I think it's not deliberate on the maker's part, but "gaga" is actually a Filipino word for "stupid" or something. So it made it funnier for me and my brother.

In England it is often used for someone who is senile - and apparently has it's origins in a French word for an old fool. By extension it is used about those who are otherwise demented ie by infatuation.