How manyh grad students does it take to change a light bulb?

One, but it takes 7 years.

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Change Jokes More Change Jokes

How many cafeteria staff does it take to change a light bulb?

Sorry we closed 18 seconds ago and I've just cashed up."

What did the surgeon tell Michael Jackson before he changed his skin colour?

Everything's gonna be all white.

Light Bulb Jokes More Light Bulb Jokes

How many Californians does it take to screw in a light bulb?

Californians don't screw in light bulbs, they screw in hot tubs and infinity pools.

How many Viet Nam vets does it take to change a light bulb?

You don't know? That's right, you know, because you weren't there, man!

7 Year Jokes More 7 Year Jokes

What's worse than getting 7 years of bad luck from breaking a mirror?

Getting a lifetime of bad luck from breaking a condom.

How manyh grad students does it take to change a light bulb?

One, but it takes 7 years.