Another word or joking or joking around with someone or people, can be use by word play to get a humorous or rhetorical effect.
(A) Whatever, but i'm going.
(B) Why are you full stopping me?
(A) Its the end of a sentence and i'm in a mood with you.
(A) Because you make me sick.
(B) Why are you being horrible to me?
(A) I'm not i was only punning
(B) That's really harsh.
(A) Oh come on it was a joke.
(B) That wasn't a question, i didn't want a reply.
(A) I'm sorry.
(B) Ha! I was only punning