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1.
means to "believe that"

the "eve" is silent in believe, so it's just pronounced "buh-lee"
I will knock you out, belie dat.
by JT_love February 25, 2008

Words related to belie dat

believe dat belie dealt know playboy that trust
 
2.
1) The hip, new way to confirm something.

2) The sound you make when saying "believe that" quickly and with some moxy.

3) Popularized catchphrase used by the head of Thuggin' & Buggin' Enterprises, Mr. Theodore R. Long.
"Beliedat, playa..."

"Beliedat, playa... holla."
by Nicky J September 26, 2004
 
3.
You better believe what this fellow is telling you or you will deal with the consequences
Best belie dat, playboy
by mangdizi September 09, 2012