goof on someone
Inf. to tease or kid someone. I don't believe you. I think you're just goofing on me.
goof on somebody
to make jokes about someone She doesn't goof on old people, but her characters are certainly older and very odd.Related vocabulary: make fun of somebody/something
Make fun of, mock, as in He was always goofing on his little brother. [Slang; mid-1900s]