Fani-Kayode made the call while lambasting Osinbajo for allegedly flagging off the Use The Toilet campaign.
The campaign is aimed at putting a stop to open defecation across the country.
However, Fani-Kayode in a tweet wrote: “VP Yemi Osinbajo launches and flags off the Use The Toilet Campaign, a campaign to stop open defecation in Nigeria while Buhari is presiding over a security council meeting!
“A few days ago I wrote: “If Osinbajo doesn’t resign they will send him to wash toilets”. Almost there!”