Nothing, Zero, Nada... Used almostly when bragging about not paying for a service or something.
It can also be used as an insult for saying someone is broke.
eg 1. I no get shishi for my phone but MTN allow me make call.
eg 2. Emeka no get shishi for pocket.
An idiot or fool.
Teacher: Class what is 5-3?
Student:That should be 5 sir..once you carry the one.