Whiteboards jokes

Your forehead is so big that the teachers use it as a whiteboard.

Your forehead is so big that teachers use it as a whiteboard.

I like whiteboards.

They're quite re-markable.

Wow! That whiteboard is remarkable!

What do you call a whiteboard that is dirty?

A dirty whiteboard.

I am a big fan of whiteboards. I find them quite re-markable.

They have blackboards and whiteboards, but what happened to Mexicanboards?