Makin' Dem Cupcakes

One day a boy and his mother were watching Cinemax Late Nite, when they saw some people having sex.

"What are they doing, Mommy?"

"They're making cupcakes."

"Were you and Daddy making cupcakes on this couch last night?"

"Yes. How did you know?"

"Cuz I licked the frosting off this morning."