Miss Cellania is a pro blogger and compiler of all things funny. Here are a few selections from her list of Star Trek jokes:
Question: What did Picard say as Data struggled to repair the Marclosian Stitching Machine?Answer: "Make it sew."
Question: How many of the Enterprise's senior officers does it take to screw in a light bulb?Answer: All of them. One to screw it in, and the rest to debate the moral implications.
Question: How many TOS landing party members does it take to screw in a light bulb?
Answer: Only one, but the extra red-shirt will die in the attempt.
Question: How many Voyager crew members does it take to screw in a light bulb?
Answer: However many it takes, you can be sure a shuttlecraft will be destroyed during the attempt.
Read the full list here. HT: Neatorama