OYO

Lagos -  OYO: (you are) On Your Own is a common expression here. 
Some OYOs:

1. Car park OYO: see picture

2. Area boys area OYO: if you go in their area alone

3. Moving toward RIOT OYO

4. Backing out of the group OYO

5. Pizza on the menu and you do not like pizza OYO. 
Tuoyo Omagba – Lagos Lab