Pardon My Back
what u say when your back is turned to someone while talking to them for whatever reason. proper etiquette
paco: aye wassup jay i aint seen you in a minute.
jay: wassup pac, pardon my back im doing something

james: yo jamal, don't tell me you forgot about me
jamal: who you, i don't think i know you but pardon my back homie im kinda busy