a pimp or mack's number one whore. His bottom woman or bottom bitch. She is his most trusted and reliable in his stable.
That ho Bunny, that's my Ace Bitch. She a ride or die chick for life.
by riktiktik February 19, 2009
Someone who is a total duechbag and is ranked lower than a bitch's bitch.
Dale, you are such an ace bitch!
by Breaded chicken March 17, 2016