Flame-free Friday Confessions: on a message board, making a confession to something that may be looked down upon generally. Some boards create a FFFC thread on Fridays where users can make their confessions without (theoretically) being attacked by others.
If you mean slang as in internet slang, then it means "Certified Old Fart".
Slang is slang It's the s' "LANG " uage.
In old slang, milkshake mean butt.
Dough is a slang word for money.
he means what does being a sponge mean in slang
It is slang for having sex.
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.
BTM is a slang acronym for "Be There Moment."
Tat is also slang for tattoo
That is not slang, it is a clear plastic sheet.
Potted is slang for very drunk.
''Dill'' means ''idiot'' as australian slang.