On: Injecting the flu vaccine into a tumor gets the im...

[VeninVidiaVicii]

Originally OG meant "original gangster", but now it has come to mean something like an early adaptation.

[fenomas → VeninVidiaVicii]

I've read a number of times over the years that OG was 80s slang for "old guy" (or "an old G"), and that the 90s Ice T song was a play on the older usage. Don't know if there are any citations though.

[dmix → VeninVidiaVicii]

It’s means the original players or the previously dominant people/organizations which laid out the foundation.

[mendelmaleh → VeninVidiaVicii]

I just read it as "original"