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.
Knowing too much; To boast or act with excess know-how or skill.
Na over sabi go kill you.
["Know", " knowledge", " Skill", " Boast"]