- have a poker upone's ass
- have a corncob up one's ass & have a poker upone's ass1. Inf. to be very stiff. (Use with caution.) •
How come you're acting so high-and-mighty with me? Do you have a corncob up your ass?
•He was a terrible actor, stiff and wooden. He looked like he had a poker up his ass.
2. Inf. to be very touchy or irritable. •Wow! Old Mr. Webster really has a corncob up his ass this morning. Watch out!
•Tom has a poker up his ass and he's looking for you. Better make yourself scarce.
Dictionary of American idioms. 2013.