Cool itself, unless you are using it to mean mildly cold, is a slang word. Just because it is old slang doesn't mean that it is not still slang.
ColossalGinormousHumongousWhopper (can mean huge, or can mean a big lie)
"Slang ops" is a term that is commonly used in gaming and refers to slang operations or slang tactics. It can refer to a group of players using slang or casual language, or it can mean utilizing unconventional and creative strategies in a game.
In slang, "rubber" can refer to a condom.
"To hit the head" is military slang for going to the restroom. It is also used in other contexts outside of the military to mean the same thing.
FW: = forward, or forwarded
Not fw, it's AW the designers monogram, Adolph Weinman.
Family Weekend
Fairway Wood
Decoration
If you mean slang as in internet slang, then it means "Certified Old Fart".
Garrett mean in cockney slang
It means the sender forwarded an email they received, to you.
Slang is slang It's the s' "LANG " uage.
In old slang, milkshake mean butt.
Cool itself, unless you are using it to mean mildly cold, is a slang word. Just because it is old slang doesn't mean that it is not still slang.
he means what does being a sponge mean in slang