The floorboards are weakest where they 'butt' (against each other). [=where they meet, where the ends of the boards touch each other]
As a child, she was a clumsy girl who was the 'butt of' everyone's jokes. [=people made jokes about her because she was clumsy]
Why don't you 'get off your butt' and do something? [=why don't you stop being so lazy and do something?]
(..) Consider it a wedding gift. What? You can't marry this guy! Why not? Well, for one, his name rhymes with "butt." I don't care. I'm gonna have a big, fat, Egyptian wedding. Spoiler alert, King Tut dies young. Are you sure you've (..)2014 Mr. Peabody & Sherman