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.
Means you are looking for attention or searching for trouble
Uncle, this table you are shaking has a billion dollar worth of cupcakes on it ooo
["trouble", " attention", " nose poking"]