Cream, as in "I could cream" or "I could have creamed in my pants" meant ejaculate.
This isn't slang. Sprinkles are those little candy pieces you sprinkle on top of your ice cream or cake.
It means the police or any established legal authorities.
You wore 'threads' in the seventies.
If you mean slang as in internet slang, then it means "Certified Old Fart".
Slang is slang It's the s' "LANG " uage.
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In old slang, milkshake mean butt.
It is slang for having sex.
Dough is a slang word for money.
he means what does being a sponge mean in slang
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.
It is slang for bowel movement