"Um" is basically the word used when a person is trying to think of an appropriate answer or a specific word.
If you mean slang as in internet slang, then it means "Certified Old Fart".
Bom amigo -Um amigo "legal"(slang)
Slang is slang It's the s' "LANG " uage.
In old slang, milkshake mean butt.
The word is slang for sexual intercourse. Um...Isn't it a slang term for friend?My friend told me that... The first answer is right if you don't believe me listen to Nookie by Limp Bizkit
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.
Tat is also slang for tattoo
''Dill'' means ''idiot'' as australian slang.
Potted is slang for very drunk.