Forty

Two deer walk out of a bar. One of them turns to the other and says, “I can’t believe I blew forty bucks in there.”
If a monkey has thirty bananas in one hand and forty bananas in the other hand, what does he have?
Very big hands.
What's five miles long and has an IQ of forty? A blonde parade.
“What turning forty means to me? I need to take my pants off as soon as I get home. I didn’t used to have to do that, but now I do.”
Tina Fey