better ask somebody 

an evasive response to a question that should be known, letting the questioner know that he/she is out of the loop

"Where's the party tonight?"
"Shiiit, you don't know where the party at tonight? Better ask somebody!"

"Yo man where you off to?"
"Better ask somebody."

"If, you don't know, who I be
You betta ask somebooooody about me "

better ask somebody by American Jew April 3, 2005

You better Ask somebody 

-To be informed
- a reference

-To get another persons opinion on something

- to find out something that a lot already know

If you don’t think am good at driving my car in a race track you better ask somebody

You better Ask somebody by Breaking dancing on cardboard March 5, 2021