punk ass bitch Share definition Flag Someone who acts like they have your back, but when you really need them they abandon you. JoJo said he had my back, but when I used my one phone call to ask him to bail me out of jail, that punk ass bitch hung up on me! punk ass bitch by theauthormarkwilkins February 16, 2017 Words you can keep railfan mug chonk mug chud mug based mug 67 mug slime mug mogging mug chopped mug thot mug glazing mug huzz mug yams mug larp mug unc mug cracked mug simp mug baddie mug bop mug lolcow mug