Today in science class-

Teacher: And so the ball and socket *takes pen and makes a fist above it and moves it around*

Lab Partner: *giggling*

Me: What?

LP: Look *giggle* closely. *giggle*

Me: Ok? *looks closer*

LP: What do you see? *giggle*

Me: I *giggle* got an image. *intense giggling, face turning red, can't breath*

Entire class: O_O

LP and Me: *still dying of laughter*