Chalkboard Joker T-Shirts

"Ya know, 'DUH' can be a very hurtful word."

"Finally, after years of work, irrefutable proof that I'm a nerd."

"I didn't finish the proof but I did write this poem about my struggle."

"If a third grader knows the answer, how much of a problem can it really be?"

'Your shoe's untied.'

Math 101, for those who can only count to 100.

'I trust these equations settle the argument, Professor Lang. It's your round.'

"And now, a little theorem for all you lovers out there."

'If your calculations are correct, this completely revolutionizes everything we thought we knew about why chalk squeaks on a blackboard!'

"May I get an equation in edgewise."

'I know! It's what I had last night for dinner.'

"Excuse me, Professor. I think I might have spotted a flaw in your theory!"

Good luck tonight, xoxo, Coach.

"I sincerely hope you learned a lesson this time, Mark. Drawing cartoons on your homework will get you nowhere in life."

'May I say it's a great pleasure to present my work to such a distinquished assembly of my colleagues.'

Information booth attendant solves equation

'What's most depressing is the realization that everything we believe will be disproved in a few years.'

'I'm afraid the numbers don't lie Norton, we're definitely nerds.'

'This part was tenure.'

'There's no delete key. You have to use the board eraser.'

Geeky looking guy looks at incomprehensible mathematical problem: 'And this equation proves beyond doubt that I have wasted my life.'

"If you think it's tough at this level, kid, wait until you get into calculus."

Everything You Wanted to Know About Stats ...

"I've thought about what you said, about how plate tectonics will kill us all!"

"Now that I've made that perfectly clear..."

'But if you need someone for the intangibles...'

Professor Swizzlestix explains his point....

'...Or not.'

"Well, here's your problem. You need an O right there."

'Do you know what I miss? - Chalk talks!'

"The figures would seem to indicate that you're not really a scientist."

"Harold, stop sucking in your stomach when the girls walk by. You're going to hurt yourself."

The History Teacher