A) "you dont have to tell me"
B) "even though you wont admit it, youre full of shit"
originates with Antoine Dodson's line "You don't have to come and confess, (we lookin' for you, we gon' find you.)"
Antoine: Hell yeah it was heroic home boy!
Reporter: Amen, you dont have to come and confess on that one brother.
Example B) Intruder: Whoa dude, no way did i just come in that window in order to rape your sister!
Heroic Brother: You don't have to come and confess, home boy!