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.
To be in trouble or to be in danger
Why you sef go slap Police man, you don Buy Market today
["trouble", " danger"]
Origin: Delta and Edo state