Pretty catchy once you start saying it.
Used to let someone know that they're going to have to do anything in order to get something from you, or they just have to suck your dick and call you papi.
Friend 2: No man that shit took forever, that's like me giving you a $100.
Friend 1: Cmon man, please? I'll give you anything.
Friend 2: smdacmp
Friend 1: fuck...