1. basically means to claifify something....

2. to be sure of something.
1. boy: you paid $15000 fo yo watch?!
pimp : know dat bitch!!!
2. steve: awww man! I gotta work @ 4 and I'm late my boss is gonna be mad as hell when I get to work.
steve's boss: * as steve walks thru the door 2 hrs late*
steve: I'm late..
steve's boss: know dat! now sign this write up
3. boy: I'm broke and payday isn't till thurs

girl: me to! know dat
by mznike May 31, 2009
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When someone says something right or justified, this is the above response.
Or, it can be used as an agreement when someone states something.
by A dot Gee May 29, 2010
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When someone be dissin' you n' sh*t you say dis sh*t and it helpz. forealz.
n*gga bout to get swung on for actin' a foo'!1~
you ain't know me like dat ho!
oh i see.
by P4UL TSUN4Mi September 17, 2007
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Yah know DAT shi+ dank is not available now. This is used when describing a holy spirit of

by Emily pp September 23, 2018
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A reply to something being said that is deemed factual/accurate.
Ouu girl you getting thick let me find out that boy been fckin you”
“Oh yes, you gots to know dat phat.”
by #TickNockaNocka February 17, 2023
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